A beam of protons and a beam of neutrons of the same energy are both harmful to living tissue. The grain of salt measures 1 x 10-3 m and the baseball measures 1 x 10-1 m. Subtracting -1 from -3 results in an order of magnitude of -2. One angstrom equals 1/10,000,000 or 0.0000000001 m. The metric system makes it easy to convert between units because it is based on powers of 10. How is this analogous to the quantized energy levels of an electron in an atom? E) none of the above(no to The electrons smoothly move from one orbit to the next,It is a physical mode,The energy difference between the orbits is continuous,The electrons actually orbit around the nucleus.). The ________ represents the complete range of frequencies of light energy from radio waves to cosmic rays. To find the difference in the orders of magnitude, subtract the exponent -10 from the exponent -1. See so taking cute, um, more stars of the Guardian. 105) In some instances electromagnetic radiation behaves like a wave. (A shell is just a conceptual model; hence; it doesn t really exist with or without the electron,A shell is just a region of space which may or may not contain electrons,A shell is a form of energy that requires electrons in order to exist.). Yes, off. (b) How does the pressure vary with $h$, the vertical Using the method presented in Appendix E, construct a concept map illustrating the different concepts to show the relationships among all the gas laws described in this chapter. where is the number for OH in the periodic table? D. The atomic masses are average atomic masses. Carbon dioxide would then have a mass of 44 amu. Choose the most likely set of mass numbers for these two bromine isotopes. Protons and neutrons are located in an atom's nucleus and electrons are outside of the electron cloud. 27) Which of the following is not a nonmetal? When we breathe we inhale oxygen, O2, and exhale carbon dioxide, CO2, plus water vapor, H2O. For example, the diameter of a grain of salt measures 1 mm and a baseball measures 10 cm. Expert Answer 100% (17 ratings) Transcribed image text: The electron in a hydrogen atom is typically found at a distance of about 5.3 times 10^-11 m from the nucleus, which has a diameter of about 1.0 times 10^-15 m. Suppose the nucleus of the hydrogen atom were enlarged to the size of a baseball (diameter = 7.3 cm). 123) Suppose that a certain atom possesses only four distinct energy levels. 53) Which chemical family is composed almost entirely of man-made elements? You can specify conditions of storing and accessing cookies in your browser. https://www.pbs.org/newshour/science/just-ask-what-would-a-baseball-sized-atom-look-like. B) An electron is dropping from a higher to a lower energy level with the difference in energy between the two being emitted as light. She was formerly digital managing editor for the PBS NewsHour. E. A physical model represents the shape and form while a conceptual model describes how a system behaves. 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? This cookie is set by GDPR Cookie Consent plugin. How long does it take for the actual transition to take place? Hence, we can say that, if an atom were enlarged to the size of the earth, its nucleus would be only $ {10^2}m $ in diameter and could easily fit inside a small football stadium. Snapsolve any problem by taking a picture. This site is using cookies under cookie policy . 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. Assuming that all transitions between levels are possible, how many spectral lines will this atom exhibit? Which of the following could be represented by a physical model? D) There are many possible combinations of atoms. D) A quantum of light is actually one photon. Protons are positively charged, electrons are negatively charged, and neutrons have no charge. So this is new radius off Nicholas, which is equal to ready yourself. One fact is if an atom were the size of a football field the If the average atomic mass of all the isotopes is 66.5 amu, what can be said about the relative abundance of the isotopes? One billion honeybees have about the same mass as one blue whale. B) It orbits around the nucleus of an atom. White light bends into a glass prism and separates into a rainbow of colors. questions to science@newshour.org with Science Question in the subject line. D. They have shorter wavelengths than visible light. In A) The isotope with the mass of 67 is more abundant than the isotope with the mass of 65. This is she find 65 times 10 to the power minus two meter. 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. D) A carbon atom has a mass of about 12 amu. If a neutral element has the following chemical symbol, how many electrons does it have? B) The atomic masses are average atomic masses. B) One electron can be boosted to many different energy levels. Atone Equal toe five points. 33) Why isn't dirt listed in the periodic table? What makes up most of the volume of an atom? The mass number of an element is ________. Why isn't dirt listed in the periodic table? 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. That is why the nucleus has most the atoms mass. How about a carbon dioxide molecule? Referring to Problem $1,$ suppose the nucleus of the hydrogen atom were enlarge, The electron in a hydrogen atom is typically found at a distance of about 5.31, Suppose a hydrogen atom was somehow enlarged so that the nucleus is the size of, The diameter of the hydrogen nucleus is $2.5 \times 10^{-15} \mathrm{m},$ and t, Concerning the size of an atom. Does it make sense to say that a textbook is about 99.9 percent empty space? The atomic mass of bromine is reported in the periodic table as 79.904 amu. Copyright 2023 WisdomAnswer | All rights reserved. A cell is bigger than an atom, electron, or molecule. are found around the nucleus. D) We see with light energy and the wavelength is larger than the object and so it is not reflected. 107) The shell model presented in this book is not very accurate. Which color of light comes from the higher energy transition, red or blue? atomic radius of an Iron atom is about 30,000 times the size of the 106) How might you distinguish a sodium-vapor street lamp from a mercury-vapor street lamp? Try it in the Numerade app? D. a model that illustrates the tendency of an atom to undergo radioactive decay and the products it produces. We also use third-party cookies that help us analyze and understand how you use this website. 114) The repeating trends that take place when examining the elements are called. A. an open tank. As a particle? Volume off nucleus on DDE volume our datum, as we hear consider nucleus and Adam is so fears. How are public schools especially helpful for recent immigrants. electron, atom, molecule, and cell. This fact relates to the organization of the periodic table in that strontium and calcium are both. If an atom were the size of a baseball, its nucleus would be about the size of a(n). This cookie is set by GDPR Cookie Consent plugin. A) elements that have some properties like metals and some like nonmetals. 96) If an element has 10 protons and 11 neutrons and 10 electrons, which expression correctly identifies the element? In atomic physics, the Rutherford-Bohr model or Bohr model or Bohr model of the atom was first proposed by Niels Bohr in 1913. E) all of the above(Electrons are particles,Electrons behave like waves,Electrons have a negative charge,Electrons in atoms can be excited by light energy.). If you expanded an atom to the size of a baseball, what would it look like? Two dimes. How do combined hormone contraceptives, including oral contraceptives, and injectable contraceptives prevent pregnancy? 15) The following statement describes which subatomic particle best?It is a nucleon. izontal, where tan $\theta=a$/$\mathrm{g}$, a being the horizontal accelera- 18) Some older cars vibrate loudly when driving at particular speeds. 74) If you remove two protons and two electrons from a sulfur atom (S), what new element is formed? One meter contains 1,000,000,000 nanometers. Which of the following might best explain the reason why electrons are restricted to certain energy levels in an atom? If an element has 18 protons and 20 neutrons and 18 electrons, which expression correctly identifies the element? Which of the following best explains what is happening when an atom emits light? A) Their outermost occupied shells are filled to capacity, 29) You could swallow a capsule of germanium, Ge (atomic number 32), without significant ill effects. cubes fit along each edge of the cell cube (40 m = 4 x 10, C atoms along each edge of a cube, there are (10, The second way takes the volume of the cell cube and divides it by the volume of either a cube 4A, Dividing by the volume of a cubical atom gives the same answer as, The volume of a spherical atom is 4/3*pi*2A, almost twice as large, but that in reality it would be impossible to pack C atoms together to take, A third way, more realistic, but the math is harder (and not described here) would take advantage. 134) Light is emitted as an electron transitions from a higher energy state to a lower energy state. These transitions would produce three spectral lines in a spectroscope. Which contributes more to an atom's mass: electrons or protons? Which behavior more accurately describes the true nature of electromagnetic radiation? Acceleration of this kind causes the liquid sur- D) all of the above(It is a particle,It is a wave,Its energy comes in packets of uniform size.). The following statement describes which subatomic particle best? 69) 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. How is a balanced chemical equation similar to a recipe? If the energy spacing between the levels were equal, would this affect the number of spectral lines? E) a hydrogen with one neutron and one proton. 51) Germanium, Ge (number 32), computer chips operate faster than silicon, Si (number 14), computer chips. The atomic radius of an Iron atom is about 30,000 times the size. A textbook like all material things is made up of atoms, which are considered to be 99.9 percent empty space. And if the nucleus was expanded to the size of a marble, the outer edge of the atom would be nearly a football field away. Therefore, the distances between nucleus and electron also increases. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. 121) Using the following generic atom description, choose the correct method for determining the number of neutrons. For the hydrogen atom, if the nucleus were the size of the sun, the actual atom size (Bohr Radius) would extend about 6 times farther than the distance to Pluto. 101) The ________ represents the complete range of frequencies of light energy from radio waves to cosmic rays. B. Maja. Please check your inbox to confirm. Does breathing cause you to lose or gain weight? The nucleus is the atoms central core and contains more than 99.9 percent of its mass. The Rutherford-Bohr model is a planetary model in which the electron is assumed to revolve around the nucleus in circular orbits. D. a material consisting of only one type of atom. B. look at the street lamps through a spectroscope and match their spectral patterns to their respective atomic spectra. So how might a gallium, Ga (number 31), chip compare with a germanium chip? But the nucleus is tiny, so fantastically tiny, that if the full atom was the size of your thumbnail, the nucleus would be no bigger than one cuticle cell in that thumbnail, says Jim Kakalios, a physics professor at University of Minnesota and author of the book, The Amazing Story of Quantum Mechanics.. 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. Rather, it's 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. In other words, one billion atoms could line up across the diameter of the battery. D. One electron can be boosted to many different energy levels. The ratio between volume of nucleus and the volume on bottom. This is she find 65 times 10 to the power minus two meter. B. an oxygen atom with 6 protons and 12 neutrons, C. a uranium atom with 92 protons and 146 neutrons, E. a hydrogen with one neutron and one proton. Baseball, which is a girl toe three pie and 65 times 10 to the power minus two meter. The cookie is used to store the user consent for the cookies in the category "Performance". 83) Which color of light comes from the higher energy transition, red or blue? B) Electrons could only move in discrete energy steps within an atom. tion. 102) The color of a firework comes from the glowing of. 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). The element bromine, Br (atomic number 35), has two major isotopes of similar abundance, both around 50%. Give a possible explanation. 98) If an element has 15 protons and 16 neutrons and 15 electrons, what is the mass number of the element? 13) What is the main tenet of Plank's quantum hypothesis? This website uses cookies to improve your experience while you navigate through the website. What is the main difference between a conceptual model and a physical model? C. very probable because of how incredibly small atoms are. These cookies ensure basic functionalities and security features of the website, anonymously. Jenny Marder Cool toe radius off. 52) Which of the following elements will most likely be shiny and malleable? What is the average 40 yard dash time for a 11 year old boy? Which of the following physical properties would you expect for krypton (Kr)? If two protons and two neutrons are removed from the nucleus of an oxygen atom, a nucleus of which element remains? Why? E. An electron is dropping from a higher to a lower energy level with the difference in energy between the two being emitted as light. The order of magnitude is -9, so the diameter of the atom is nine orders of magnitude smaller than the battery. 45) Which of the following images could describe an element at the atomic level? E. Energy comes in discrete packets of a certain minimum size. Protons are positively charged, electrons are negatively charged, and neutrons have no charge. 81) Considering how small atoms are, what are the chances that at least one of the atoms exhaled in your first breath will be in your last breath? A. physical; conceptual; physical; conceptual. charge the atom. Why then is it presented? So here for upon tree by you will be cancelled from numerous in Demeter. - 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. 39) Which element has the atomic number 12? 41) What does the following element description actually mean? Subscribe to Here's the Deal, our politics newsletter. Most of the space in an atom is Unendingly hell Neuter this off, Adam. So for a bounty by will be cancelled from numerator on dinner matter. 21) Would you use a physical model or a conceptual model to describe the following: the brain; the mind; the solar system; the beginning of the universe? Scientific notations help you to express these measurements and assign a value to the differences. You can determine the order of magnitude using scientific notation to express these measurements and quantify the differences. Subscribe to Heres the Deal, our politics newsletter for analysis you wont find anywhereelse. 2 What is located outside the nucleus in the electron cloud? 24) What was Niels Bohr's explanation for the observation of atomic spectra? approximately the optimal van der Waals distance apart. 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. So we have one in one nucleus upon William. 65) If a neutral element has the following chemical notation, how many electrons does it have? 125) Since atoms are mostly empty space, why don t objects pass through one another? 44) Boron has primarily two isotopes, one with an atomic mass of 11 amu and another with an atomic mass of 10 amu. I mean if you take a blueberry the size of a football field, the nucleus would be aMARBLE !!

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