A) The isotope with the mass of 67 is more abundant than the isotope with the mass of 65. Gaining an electron that has a negative charge would negatively Is the nucleus of an atom the size of a baseball? So how might a gallium, Ga (atomic number 31), chip compare with a germanium chip? What was Niels Bohr's explanation for the observation of atomic spectra? Show that the liquid surface slopes at an angle $\theta$ with the hor- So we have radius up. It has a positive charge equivalent but opposite of an electron's. See from here, buddy. The Rutherford-Bohr model of the atom was based on Max Planck's quantum theory of radiation, which explained the spectrum of blackbody radiation, and Albert Einstein's theory of the photoelectric effect, which explained the origin of the spectrum of line emission from atoms. Consider the various frequencies of the three photons emitted from the following three individual electron transitions in the figure below: n=3 to n=2; n=2 to n=1; n=3 to n=1. 18) Some older cars vibrate loudly when driving at particular speeds. The traditional atom model that shows electrons orbiting a central nucleus the way planets orbit the sun is a perfectly reasonable picture, according to Kakalios, since the force of attraction between electrons and protons is mathematically similar to the gravitational attraction between planets and their sun in the solar system. 41) What does the following element description actually mean? It was the first quantum theory of the atomic structure, applying the principles of quantum mechanics to the hydrogen atom. 5 Is the nucleus the largest part of an atom? B) Electrons could only move in discrete energy steps within an atom. Yes, off. 61) When a rainbow of colors of light are combined into a single ray it forms, 62) If an atom were the size of a baseball, its nucleus would be about the size of a(n). The properties of the elements gradually change across any period of the periodic table. If an atom has 43 electrons, 56 neutrons, and 43 protons, what is its approximate atomic mass? What is the average 40 yard dash time for a 11 year old boy? The atomic mass of bromine is reported in the periodic table as 79.904 amu. Just as strings on a guitar have different frequencies and octaves, atoms with different protons and electrons have different wave patterns The electron can only have certain energies, and this explains a tremendous amount of things. taken up by the electron cloud which surrounds the nucleus. C) The periodic table lists only elements made of one kind of material. 77) Which of the following statements describes an isotope? If the average atomic mass of all the isotopes is 66.5 amu, what can be said about the relative abundance of the isotopes? 12) Which of the following statements does not describe a proton? As the elevator moves downward at a constant velocity, what is the direc, Question 40/1 pt 012 2 99 0 DetailsTarzan swings on a 65.7 m long vi, PainterA man of mass Mm 95 kg decides to paint his house To do this;he b, Unpolarized light with intensity 380 W /m? 20) Which of the following could not be represented by a conceptual model? Surrounding the nucleus is a cloud of electrons, which makes up most of the atoms volume. So the power three a bomb New radius off the dome. Want nine kilometer? 100) Which of the following might best explain the reason why electrons are restricted to certain energy levels in an atom? Why? 56) Which of the following is not the name of a chemical family? D) Yes. A. Protons contribute more to an atom's mass while electrons contribute more to its size. Which change happens when a substance melts? All components interact with each other. 2 What is located outside the nucleus in the electron cloud? (b) How does the pressure vary with $h$, the vertical How many electrons does this iron atom have? Unendingly hell Neuter this off, Adam. The two bombings killed between 129,000 and 226,000 people, most of whom were civilians, and remain the only use of nuclear weapons in an armed . D. a material consisting of only one type of atom. The electrons size of a stadium of 100-500 m. A teacher walks into the Classroom and says If only Yesterday was Tomorrow Today would have been a Saturday Which Day did the Teacher make this Statement? Report the answers in the correct units. See so taking cute, um, more stars of the Guardian. Surrounding the nucleus is a cloud of electrons, which makes up most of the atoms volume. atom. So the poverty is equal to you're this up baseball to the bower tree upon ready yourself nucleus to the body. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. The ratio between volume of nucleus and the volume on bottom. Referring to Problem $1,$ suppose the nucleus of the hydrogen atom were enlarged to the size of a baseball (diameter $=7.3 \mathrm{cm} ) .$ At what typical distance from the center of the baseball would you expect to find the electron? A farmer has 19 sheep All but 7 die How many are left? B) You would see a series of very sharp lines of emitted light. E) a hydrogen with one neutron and one proton. Dirt is a mixture of elements and compounds. Snapsolve any problem by taking a picture. Elements that are in the same ________ have a tendency to have very similar chemical properties due to periodic trends. Yes, we have enlarged the size off nucleus. 10 to the power minus 11. What is the approximate mass of a carbon atom in atomic mass units (amu)? 88) In what sense can you truthfully say that you are a part of every person around you? 71) If a neutral element has the following chemical symbol, how many electrons does it have?235, 72) Oxygen, O, (number 8), sulfur, S, (number 16), and selenium, Se, (number 34) have such similar chemical properties because. 124) A practical application of the wave nature of electrons is the. Mentzer graduated from Rutgers University with degrees in Anthropology and Biological Sciences. A. CO2. with nonbonded C atoms at the optimal distance apart, about, Assume the optimal van der Waals distance is 4A (nucleus to nucleus) for C atoms interacting with, The eukaryotic cell could be a spherical oocyte, but to make the math easier, consider the cell as a cube with a length. The element bromine, Br (atomic number 35), has two major isotopes of similar abundance, both around 50%. ascending order from smallest to largest, they would be the 6) The following statement describes which subatomic particle best?It is electrically charged. Helium, He, is a nonmetallic gas and the second element in the periodic table. A) Protons contribute more to an atom's mass while electrons contribute more to its size. Calculate the order of magnitude between two values by subtracting the difference between its two exponents. If the atom was the size of a Baseball stadium, the nucleus Which of these does not describe a metal at room temperature? a gas at room temperature. Protons and neutrons are located in an atom's nucleus and electrons are outside of the electron cloud. would be the size of a Baseball! B. The isotope lithium-7 has a mass of 7.0160 atomic mass units, and the isotope lithium-6 has a mass of 6.0151 atomic mass units. Assuming that all transitions between levels are possible, how many spectral lines will this atom exhibit? 1996 - 2023 NewsHour Productions LLC. 111) What does the following element description actually mean? C) Absorption of light shows particle behavior while bending of light shows wave behavior. 60) Which of the following elements are in the same period as magnesium (Mg)? That is why the nucleus has most the atoms mass. What is the main tenet of Plank's quantum hypothesis? A beam of protons and a beam of neutrons of the same energy are both harmful to living tissue. Which behavior more accurately describes the true nature of electromagnetic radiation? Necessary cookies are absolutely essential for the website to function properly. Which color of light comes from the higher energy transition, red or blue? How do we account for the great variety of substances in the world? This site is using cookies under cookie policy . A honeybee weighs about 100 mg, or 10-1 g. The whale is nine orders of magnitude more massive than the honeybee. The nucleus is the atoms central core and contains more than 99.9 percent of its mass. Given the information that 92.58 percent of all lithium atoms found in nature are lithium-7 and 7.42 percent are lithium-6, calculate the atomic mass of lithium, Li (atomic number 3). If 80.0 percent of the atoms have an atomic mass of 80.00 atomic mass units and the other 20.0 percent have an atomic mass of 82.00 atomic mass units, what is the atomic mass of the element? In some instances electromagnetic radiation behaves like a wave. Jenny Marder. Metro baseball is equal to 7.3 centimeter. Then it goes into a different realm.. How long does it take for the actual transition to take place? 96) If an element has 10 protons and 11 neutrons and 10 electrons, which expression correctly identifies the element? The Bohr model of the atom had a significant influence on the development of quantum mechanics, and was instrumental in the development and validation of quantum mechanics. A) equal to the energy of the single frequency. Referring to Problem $1,$ suppose the nucleus of the hydrogen atom were enlarged to the size of a baseball (diameter $=7.3 \mathrm{cm} ) .$ At what typical distance from the center of the baseball would you expect to find the electron? Which of the following is not the name of a chemical family? Course Hero is not sponsored or endorsed by any college or university. A) physical; conceptual; physical; conceptual. A) physical model: gold coin, car engine, virus; conceptual model: air pollution, spread of sexually transmitted disease; dollar bill, which could represent wealth, may well be described. E. A physical model represents the shape and form while a conceptual model describes how a system behaves. 98) If an element has 15 protons and 16 neutrons and 15 electrons, what is the mass number of the element? Protons are positively charged, electrons are negatively charged, and neutrons have no charge. Order of magnitude. For heavier atoms, they would extend to about 36 times farther than Pluto. Carbon dioxide would then have a mass of 44 amu. Which of the following elements is in the fourth period? She worked as a researcher and analyst in the biotech industry and a science editor for an educational publishing company prior to her career as a freelance writer and editor. 42) How many electrons are there in the third shell of sodium, Na (atomic number 11)? B) The air we exhale has more mass; Breathing causes you to lose weight. 1 See answer Advertisement lamiaa16 Your answer would be Flea Electrons could only move in discrete energy steps within an atom. A textbook like all material things is made up of atoms, which are considered to be 99.9 percent empty space. 33) Why isn't dirt listed in the periodic table? 106) How might you distinguish a sodium-vapor street lamp from a mercury-vapor street lamp? Electrons are outside of the nucleus but bound to it by electromagnetic force; protons and neutrons are packed tightly inside, held together by a force thats roughly 100 times stronger than electricity the strong force, its called. where is the number for OH in the periodic table? If the newcleus of an atom was the size of a tennis ball an electron would be how far away. The element bromine, Br (atomic number 35), has two major isotopes of similar abundance, both around 50 percent. center B. Give a possible explanation. 75) Which of the following elements is a gas at room temperature? If two protons and two neutrons are removed from the nucleus of an oxygen atom, a nucleus of which element remains? If the nucleus is a rub, If the nucleus of an atom were the size of a golf ball (4-cm diameter), what wo, How far from the nucleus in angstroms $\left(1 \text { angstrom }=1 \times 10^{. What would an atom look like if it was a marble? Here we are, given the diameter of baseball die. What are 2 negative effects of using oil on the environment? A) The greater the frequency of a photon of light, the greater the energy packed into that. Carbon dioxide would then have a mass of 44 amu. What does the following element description actually mean? D. You would see a series of very sharp lines of emitted light. Because the size of an atom is about 100-500 nm, while the size 99) Which of the following statements is true about Bohr s planetary model of the atom? B. There would be a small little spot that would be the nucleus, and there would be a vast region with a buzzing of electrons, Kakalios says. These cookies will be stored in your browser only with your consent. We have two examples: the first is, if the Atom is the size of a New York baseball stadium, then the nucleus is the size of a flea perched on the pitcher's mound; and next, if the atom is one mile [1.6 km] across the atomic nucleus would be two-thirds of an inch [< 2 cm] in diameter. 23) How is the term photon related to the term quantum? Yeah, good young one. 107) The shell model presented in this book is not very accurate. If an atom were the size of this pond, the nucleus would be the size of a pencil eraser1/5-inch diameter (about 5 millimeters)floating in the middle of the pond. What kind of telescope should I buy to see stars? No, we wanted it again. So here for upon tree by you will be cancelled from numerous in Demeter. were filled with nonbonded C atoms at the optimal distance apart, Assume the optimal van der Waals distance is 4A, (nucleus to nucleus) for C atoms interacting with other C atoms, and assume the prokaryotic cell is, a rod-shaped bacterium with a length of 2. Originally Answered: If the atoms that make up our body were the size of Baseballs how tall would humans be? So this is also the sense off Elarton from the center of baseball at which we expect to find electron, What is the gravitational field strength at the location of a satellite that, 27. In atomic physics, the Rutherford-Bohr model or Bohr model or Bohr model of the atom was first proposed by Niels Bohr in 1913. would the nucleus be? B. Alissa enjoys writing about life science and medical topics, as well as science activities for children. B) a model that illustrates the tendency of an atom to undergo chemical bonding. As a particle? Yale University: The Size of Matte: Why Properties Change in the Nanoscale, National Nanotechnology Initiative: Size of the Nanoscale, Micrometer = 1/1,000,000 m = 0.000001 m = 10-6 m, Nanometer = 1/1,000,000,000 m = 0.000000001 m = 10-9 m, Angstrom = 1/10,000,000,000 m = 0.00000000001 m = 10-10 m. The props aren't necessary, but they help visualization. 24) What was Niels Bohr's explanation for the observation of atomic spectra? The ________ represents the complete range of frequencies of light energy from radio waves to cosmic rays. A sheet of paper is about six orders of magnitude thicker than an atom. Which of the following could NOT be represented by a conceptual model? 112) How would you describe light generated by heating pure elements if it was observed through a prism or spectroscope? A textbook like all material things is made up of atoms, which are considered to be 99.9 percent empty space. Best ball time radius off Adam Upon release off Nicholas No, By blending different values here we have a star baseball equal to 3.65 times 10 to the power minus two meter radius up with a muse, 5.3 times tended a power minus 11 meter of on let yourself nucleus is 0.5 times attended a power minus 15 meter. Although it is very small, the nucleus is massive compared to the rest of the atom. C. very probable because of how incredibly small atoms are. The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 GeigerMarsden gold foil experiment. A. How would you describe light generated by heating pure elements if it was observed through a prism or spectroscope? 26) Which of the following elements is in the fourth period? Which of these properties describes a metal? E. We see with light energy and the wavelength is larger than the object and so it is not reflected. Rather, its an area of probability, in which the size of the atom is defined by the probability that an electron will be found at a certain distance from its nucleus. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Most of the space in an atom is C. No. Radius of carbon atom = 70 pm (or picometre) = 7 10^-11 m The atomic radius of an Iron atom is about 30,000 times the size. An atom is a typical atom is one tenth of a billionth of a meter (1.0 10-10 meters) A basketballs' diameter is 9.5 inches Show full text Which contributes more to an atom's mass: electrons or protons? https://www.pbs.org/newshour/science/just-ask-what-would-a-baseball-sized-atom-look-like. The model of the atom must be 5 10 4 times larger than this. How big would the nucleus be if an atom was the size of the earth. The 14) What is the approximate mass of a carbon atom in atomic mass units (amu)? When converted to meters and expressed in scientific notation, you can easily compare the measurements. Acceleration of this kind causes the liquid sur- What does a heat capacity of infinity for a fluid in a heat exchanger mean. So now this is new radius off you call this off, hydrogen atom. 130) According to the shell model, how many shells are required to describe the periodic table? raisin. 58) Would you use a physical model or a conceptual model to describe the following: a gold coin, dollar bill, car engine, air pollution, virus, spread of sexually transmitted disease? Which behavior more accurately describes the true nature of electromagnetic radiation? An hour later, a dog with its nose to the ground follows the trail of the cat. One meter contains 1,000,000,000 nanometers. How might the spectrum of an atom appear if its electrons were not restricted to particular energy levels? D. The atomic masses are average atomic masses. 135) The oldest known elements in the periodic table are the ones with, 136) The most massive subatomic particle is the, Bruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore E. Brown, Find $y^{\prime}$ and $y^{\prime \prime}.$ $y=e^{\alpha x} \sin \beta x$. What property of an electron makes it possible to use electron microscopes? If the atom was the size of a Baseball stadium, the nucleus would be the size of a Baseball! izontal, where tan $\theta=a$/$\mathrm{g}$, a being the horizontal accelera- The cookie is used to store the user consent for the cookies in the category "Performance". An element has two different isotopes: one that weighs 65 amu and another that weighs 67 amu. Yes. After measuring two objects of vastly different sizes with the same unit, express the measurements in scientific notation to make it easier to compare them by determining the order of magnitude between the two numbers. one way to solve : size of atom = size of baseball size of atom for the course is 1a = 10 - 10 m size of nucleus x 10 - 10 m = 10 - 1 m ; then x = 10 - 6 m ( = 1 um or 1 micron ) , about the size of a bacterial cell ! B) All components interact with each other. 13) What is the main tenet of Plank's quantum hypothesis? The center would be hard and very dense, says Stephen Ekker, professor of biochemistry and molecular biology at the Mayo Clinic. 4) If you remove two protons and two neutrons from a gold atom (Au), what new element is formed? Choose the most likely set of mass numbers for these two bromine isotopes. 82) The isotope lithium-7 has a mass of 7.0160 atomic mass units, and the isotope lithium-6 has a mass of 6.0151 atomic mass units. D) the sum of the protons and the neutrons. Should the periodic table be memorized? Which are older, the atoms in the body of an elderly person or those in the body of a baby? D. The dog is smelling molecules from the cat. That is why . 8) Which of the following describes a nonmetal? If the abundance of the boron atom with a mass of 11 amu is 18.9 percent and the abundance of the other isotope is 81.1 percent, what would be the average mass of the boron atom? She was formerly digital managing editor for the PBS NewsHour. B. their outermost shells contain the same number of electrons. Which of the following statements about electrons is true? B. In other words, the nucleus is from to 10 000 to 50 000 times Rather, its an area of probability, in which the size of the atom is defined by the probability that an electron will be found at a certain distance from its nucleus. 55) Which of the following elements is a transition metal? How does the wave model of electrons orbiting the nucleus account for the fact that the electrons can have only discrete energy values? If the atom were the size of a baseball stadium, the nucleus would be smaller than the baseball. 37) Why are the atomic masses listed in the periodic table not whole numbers? Most of the space in an atom is taken up by the electron cloud which surrounds the nucleus. 121) Using the following generic atom description, choose the correct method for determining the number of neutrons. What are 4 main causes of voter apathy What are 4 solutions? the average atom is 10,000 times larger in diameter than the About how many elements do you have access to as a consumer of market goods. Why or why not? For perspective, compare the masses of two objects that can be observed without a microscope and are also separated by several orders of magnitude, such as the mass of a blue whale and a honeybee. are found around the nucleus. In the nucleus of the atom, along with neutrons. To find the difference in the orders of magnitude, subtract the exponent -10 from the exponent -1. If an element has 18 protons and 20 neutrons and 18 electrons, which expression correctly identifies the element? 133) The following statement describes which subatomic particle best? The electrons In this case, volume off nucleus that is equal to four punchy by and radius of Nicolas is equal to duty is off this one to the poverty upon while you off their term it will be called to four upon three times by times Here, New radius is Ah and our So the power three Let this is named this equation. The nucleus of an electrically neutral iron atom contains 26 protons. The order of magnitude is -9, so the diameter of the atom is nine orders of magnitude smaller than the battery. What is the heat capacity rate? D) The vibrating car is analogous to one of the energy levels of the electron, which is the point at which the electron experiences resonance. The thickness of a sheet of paper is about 100,000 nanometers or 105 nm. raisin. Multiply radius after tone through the color. electrons distance would depend on the identity of the atom. The vibrating car is analogous to one of the energy levels of the electron, which is the point at which the electron experiences resonance. Which contributes more to an atom s size? Rather than being placed adjacent to hydrogen, H, however, helium is placed on the far right of the table because. C) We are continually exchanging our atoms. 73) How might the spectrum of an atom appear if its electrons were not restricted to particular energy levels? Explain, What volume, in liters, of 4.0 M LiBr solution can be made using 100.0 g LiBr?, What is the molarity of a solution made by dissolving 2.25 mol KOH in enough water to make 8.0 L of solution?. So we have answer equal to cheap watch and 69 times tended the power. D. The isotope with the mass of 67 is more abundant than the isotope with the mass of 65. Rank the three subatomic particles in order of increasing mass: (a) neutron, (b) proton, (c) electron. For example, at 65 mph the car may be most quiet, but at 60 mph the car rattles uncomfortably. However, you may visit "Cookie Settings" to provide a controlled consent. D) A carbon atom has a mass of about 12 amu. B. 51) Germanium, Ge (number 32), computer chips operate faster than silicon, Si (number 14), computer chips. B) Energy comes in discrete packets of a certain minimum size. 44) Boron has primarily two isotopes, one with an atomic mass of 11 amu and another with an atomic mass of 10 amu. So taking that into account, if a nucleus would be the size of a human, then probably :- It would be 13 yds in diameter . - Brainly.com lovensonx2946 01/20/2022 Chemistry High School answered If an atom were the size of a baseball, its nucleus would be about the size of a (n) walnut. The mass number of an element is ________. Which of the following best explains what is happening when an atom emits light? If a fluorine atom were to attract an extra electron from lithium, the lithium atom would become ______________ charged.Answer: positively, Largest to smallest:- molecule, atom, proton, electron. No, In the second gives, we want to in los the size of nucleus equal to the size off baseball. If you dont know what that is, then you can really ignore it. 27) Which of the following is not a nonmetal? C) They behave like restricted waves and are self-reinforcing. D) A broad spectrum of all colors would be observed. Strontium, Sr (number 38), is especially dangerous to humans because it tends to accumulate in calcium-dependent bone marrow tissues (calcium, Ca, number 20). C) When an electron wave is confined, it is reinforced only at particular frequencies. If a neutral element has the following chemical notation, how many electrons does it have? Most of the space in an atom is Does breathing cause you to lose or gain weight? 110) Which of the following could be represented by a physical model? flea. Therefore, the atom gets collapsed. The atomic mass of bromine is reported in the periodic table as 79.904 atomic mass units. 92) If an atom has 43 electrons, 56 neutrons, and 43 protons, what is its approximate atomic mass? 34) Which contributes more to an atom's mass: electrons or protons? 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