So we have radius our baseball equal to seven pointy centimeter upon to which is equal to 3.6 centimeter are we can ride. The atomic radius of an Iron atom is about 30,000 times the size. So the size off baseball. C. The periodic table lists only elements made of one kind of material. 12) Which of the following statements does not describe a proton? So we help we end up on we, uh physical toe radius. Necessary cookies are absolutely essential for the website to function properly. This textbook answer is only visible when subscribed! 17) Helium(He) is a nonmetallic gas and the second element in the periodic table. raisin. 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? 16) Which of the following elements is a halogen? Problem 2 Medium Difficulty. It does not store any personal data. 112) How would you describe light generated by heating pure elements if it was observed through a prism or spectroscope? This cookie is set by GDPR Cookie Consent plugin. One meter contains 1,000,000,000 nanometers. B) One electron can be boosted to many different energy levels. So the answer is, if you. To find the difference in the orders of magnitude, subtract the exponent -10 from the exponent -1. why atoms are actually mostly empty space. What was Niels Bohr's explanation for the observation of atomic spectra? This is in contradiction with the practical observations which shows atoms are stable. 125) Since atoms are mostly empty space, why don t objects pass through one another? would be the size of a Baseball! Converting both units to meters and using scientific notation, express the measurements as 10-10 m and 10-1 m, respectively. Copyright 2023 WisdomAnswer | All rights reserved. around 1.2 miles away. Which of these does not describe a metal at room temperature? The order of magnitude is -9, so the diameter of the atom is nine orders of magnitude smaller than the battery. D) There are many possible combinations of atoms. And you go again Through left. Electrons, they fly around the atom, if the nucleus is a golf C) A gallium chip would be even faster because the gallium is more metallic. As a particle? Five times 10 to the power minus 15. Her stories have appeared in the New York Times, the Washington Post and National Geographic. If an atom were the size of a baseball, its nucleus would be about the size of a(n) walnut. The thickness of a sheet of paper is about 100,000 nanometers or 105 nm. For example, the diameter of a grain of salt measures 1 mm and a baseball measures 10 cm. 33) Why isn't dirt listed in the periodic table? Note: for the size of, an atom you should use the size we said in lecture was good enough for this course, for the size of a, baseball use 0.1 m, and for the size of a nucleus use 10, When two atoms are not covalently, ionically, or H-bonded to each other, they usually stay. If an atom has 43 electrons, 56 neutrons, and 43 protons, what is its approximate atomic mass? B) It orbits around the nucleus of an atom. Protons are positively charged, electrons are negatively charged, and neutrons have no charge. In which of these two scenarios does the electromagnetic radiation behave as a wave? A) equal to the energy of the single frequency. 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? 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? 18) Some older cars vibrate loudly when driving at particular speeds. 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. So the answer is, if you expanded an atom to a size we could see, it wouldnt look much like anything. 113) Does it make sense to say that a textbook is about 99.9 percent empty space? 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. 23) How is the term photon related to the term quantum? If the atom was the size of a Baseball stadium, the nucleus 8 What would an atom look like if it was a marble? B. Protons are positively charged, electrons are negatively charged, and neutrons have no charge. Then it goes into a different realm.. The 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. These masses are more than 2000 times the mass of the electron. 66) Which of the following is a metalloid? Now we want to take the ratio off. How many electrons are there in the third shell of sodium, Na (atomic number 11)? B. 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. Atone Equal toe five points. B) It orbits around the nucleus of an atom. C. Absorption of light shows particle behavior while bending of light shows wave behavior. D) A quantum of light is actually one photon. All components interact with each other. 40) What subatomic particle by itself is least affected by electromagnetic radiation? E. We see with light energy and the wavelength is larger than the object and so it is not reflected. C) their outermost shells contain the same number of electrons. No, In the second gives, we want to in los the size of nucleus equal to the size off baseball. It was the first quantum theory of the atomic structure, applying the principles of quantum mechanics to the hydrogen atom. All Rights Reserved. Which of the following best explains what is happening when an atom emits light? An element can be identified by its atomic number, or the number of protons located in its nucleus. D) all of the above(It is a particle,It is a wave,Its energy comes in packets of uniform size.). C) The electrons on the atoms repel other electrons on other atoms when they get close. A grain of sand 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. 14) What is the approximate mass of a carbon atom in atomic mass units (amu)? a gas at room temperature. 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. C. the sum of the protons and the neutrons. 108) When we breathe we inhale oxygen, O2, and exhale carbon dioxide, CO2, plus water vapor, H2O. A) The shell model is simpler and easy to understand. Which of the following elements is a transition metal? Is the nucleus the largest part of an atom? Does breathing cause you to lose or gain weight? This website uses cookies to improve your experience while you navigate through the website. The diameter of the dime is eight orders of magnitude greater than the aluminum atom. 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). 48) Which of these does not describe a metal at room temperature? So volume we will be called to fora Bunty by times radius cubed here, radius off nuclear sees, um, and to the power she upon for a bunch e by Andreas Opportunities Ah, through the power to you. From human to earth: About 6 orders of magnitude. The exponent makes large numbers with a lengthy series of zeros or small numbers with many decimal places much more manageable. Explain what is going on from a molecular point of view. D. Two of the above are reasonable answers. 121) Using the following generic atom description, choose the correct method for determining the number of neutrons. If the atom were the size of a baseball stadium, the nucleus would be smaller than the baseball. We also use third-party cookies that help us analyze and understand how you use this website. What is the heat capacity rate? Which chemical family is composed almost entirely of man-made elements? E) a hydrogen with one neutron and one proton. What do the electron configurations for all the group 18 noble gases have in common? These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Consider these atoms: nickel, Ni; calcium, Ca; and silicon, Si. How does the wave model of electrons orbiting the nucleus account for the fact that the electrons can have only discrete energy values? Typically the nucleus contains more than 99.9% of the mass of the atom. Some of the more common units for measuring length or distance include: Express powers of 10 using scientific notation, where a number, such as a, is multiplied by 10 raised by an exponent, n. Scientific notation uses the exponential powers of 10, where the exponent is an integer that represents the number of zeros or decimal places in a value, such as: a x 10n. The neutron lacks an electrical charge. How would you describe light generated by heating pure elements if it was observed through a prism or . Which of the following statements about electrons is true? By clicking Accept All, you consent to the use of ALL the cookies. A) helium is most similar to other group 18 elements. E) 80.4 atomic mass units 12) Which of the following statements does not describe a proton? 8) Which of the following describes a nonmetal? Choose the most likely set of mass numbers . You can determine the order of magnitude using scientific notation to express these measurements and quantify the differences. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. 64) Which of the following physical properties would you expect for krypton (Kr)? A. If a neutral element has the following chemical symbol, how many electrons does it have? If you remove two protons and two neutrons from a gold atom (Au), what new element is formed (if any)? 59) What property of an electron makes it possible to use electron microscopes? The model of the atom must be 5 10 4 times larger than this. Subscribe to Heres the Deal, our politics newsletter for analysis you wont find anywhereelse. 123) Suppose that a certain atom possesses only four distinct energy levels. heisenberg148369 table tennis ball Find Physics textbook solutions? What happens to the properties of elements across any period of the periodic table? A. CO2. 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. About how many elements do you have access to as a consumer of market goods. 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. F. 122) Which has more atoms: a 1-gram sample of carbon-12 or a 1-gram sample of carbon-13? The electrons How do their combined energies compare to the energy of the single frequency that would be emitted by de-excitation from the fourth level directly to the first level? 9) Evidence for the existence of neutrons did not come until many years after the discoveries of the electron and the proton. Our goal is to make science relevant and fun for everyone. Protons and neutrons are located in an atom's nucleus and electrons are outside of the electron cloud. Analytical cookies are used to understand how visitors interact with the website. What is the average 40 yard dash time for a 11 year old boy? How can a hydrogen atom, which has only one electron, have so many spectral lines? 84) If a neutral element has the following chemical symbol, how many electrons does it have?18. These cookies track visitors across websites and collect information to provide customized ads. Go to Answer : Posts: 5058 Rep: 29 1 6 years ago . 114) The repeating trends that take place when examining the elements are called. 116) Which of the following statements about electrons is true? 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. If an atom were the size of a baseball, its nucleus would be about the size of a(n). 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. If a neutral element has 8 neutrons and 7 electrons, which expression correctly identifies the element? 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. D) We see with light energy and the wavelength is larger than the object and so it is not reflected. 95) Which of the following diagrams best represents the size of the atomic nucleus relative to the size of the atom? What is the main difference between a conceptual model and a physical model? Which of the following elements will most likely be shiny and flexible? An element found in another galaxy exists as two isotopes. Should the periodic table be memorized? 6) The following statement describes which subatomic particle best?It is electrically charged. 118) Which of the following does not describe a neutron? Rank the three subatomic particles in order of increasing mass: (a) neutron, (b) proton, (c) electron. 55) Which of the following elements is a transition metal? What kind of telescope should I buy to see stars? The atomic mass of bromine is reported in the periodic table as 79.904 atomic mass units. 98) If an element has 15 protons and 16 neutrons and 15 electrons, what is the mass number of the element? A) The greater the frequency of a photon of light, the greater the energy packed into that. What is located outside the nucleus in the electron cloud? The nucleus of an electrically neutral iron atom contains 26 protons. You didn't specify which atom since there are many sizes of atoms, so I am going to take carbon atoms as default. Metro baseball is equal to 7.3 centimeter. B. The first treats each of the C atoms as a little cube that fits inside the bigger cube of the cell (thats. Where did the atoms that make up a newborn baby originate? The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". - 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. D) A physical model represents shape and form while a conceptual model describes behavior. 105) In some instances electromagnetic radiation behaves like a wave. ascending order from smallest to largest, they would be the A) elements that have some properties like metals and some like nonmetals. Electrons Electrons are located outside of the nucleus of an atom in the "electron cloud." They are smaller and have less mass than protons and neutrons. A) physical; conceptual; physical; conceptual. It introduced the Bohr radius and the concept of quantum levels to explain the discrete nature of the spectrum of the hydrogen atom. See meter African right. ( the history of the element,the name of the element,the number of electrons in an atom of an element.). 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. 126) About how many elements do you have access to as a consumer of market goods? If we scale up a hydrogen atom such the the nu, If someone wanted to build a scale model of the atom with a nucleus 1.00 m in d, The electron in a hydrogen atom spends most of its time $0.53 \times 10^{-10} \, If someone wanted to build a scale model of the atom with a nucleus $1.00 \math, A student decides to build a physical model of an atom. 7) If all the molecules of a body remained part of that body, would the body have any odor? Which likely has more mass, the air that we inhale or the same volume of air we exhale? A. element with the same number of protons but a different number of neutrons. In atomic physics, the Rutherford-Bohr model or Bohr model or Bohr model of the atom was first proposed by Niels Bohr in 1913. Because the size of an atom is about 100-500 nm, while the size Electrons To make things a little weirder, the electron cloud isnt an actual cloud, in which electrons can be nailed down to a physical point in space. How might the spectrum of an atom appear if its electrons were not restricted to particular energy levels? C. Blue is a higher frequency and therefore corresponds to a higher energy level transition. 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. Off it down is equal to radius of Nicholas to the poverty upon radius of it. izontal, where tan $\theta=a$/$\mathrm{g}$, a being the horizontal accelera- What are 4 main causes of voter apathy What are 4 solutions? Do the other three. 53) Which chemical family is composed almost entirely of man-made elements? 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. These cookies ensure basic functionalities and security features of the website, anonymously.
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