The mass number of an atom is found byO adding the number of protons and neutrons.adding the number of protons and electrons.subtracting the number of protons from thenumber of neutrons.O subtracting the number of protons from thenumber of electrons.

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Answered: The mass number of an atom is found by…

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter10: Nuclear Physics

Section: Chapter Questions

Problem 4CQ: Why is the number of neutrons greater than the number of protons in stable nuclei that have an A...

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Similar questions

When a nucleus (decays, does the (particle move continuously from inside the nucleus to outside? That is, does it travel each point along an imaginary line from inside to out? Explain.
Look at the chemical elements in Appendix K. Can you identify any relationship between the abundance of an element and its atomic weight? Are there any obvious exceptions to this relationship?
The sun's energy comes from a reaction that combines four hydrogen atoms to create a helium atom plus two positrons: 41H→4He+2e+ How much energy is released in this process? Express your answer in mega-electron volts to three significant figures.
A(n) ___________ is the smallest particle of an elementthat can exist.
QUESTION 1 Consider an object of mass 76.4 kg. Assume that it s made up of equal numbers of protons, neutrons, and electrons. How many protons does this object contain? 4.58E+28 9.16E+28 1.15E+28 2.29E+28 QUESTION 2 This time your object has a mass of 12.3 kg. Now imagine taking all the protons out of the object and stuffing them into a box. Also take all the electrons out of the object and stuff them in a second box. How much charge is contained in the box with all the protons? 5.89E+08 C 1.18E+09 C 2.36E+09 C 2.95E+08 C QUESTION 3 This time your object has a mass of 62.7 kg. You separate the protons and electrons into two boxes like in the previous question. You place the boxes at a distance of 68 m apart from one another. How much force attracts the two boxes to one another? 1.75E+25 N 3.50E+25 N 7.00E+25 N 8.75E+24 N QUESTION 4 Similar…
Beta-particle emission leads to an ________in the number of protons in the nucleus and a simultaneous decrease in the number of neutrons.a.Increaseb.Decreasec.Remains the samed.Both a and b What do we call the part of the universe that is not part of the system?a.Centerb.Calorimeterc.Piston-valved.Surrounding What has more potential energy in the the detonation of TNT, an explosive?a.Both reactants and productsb.Productsc.Reactantsd.Neither the reactants nor the products
2. 134I1- Protons____ Neutrons____ Electrons
Consider an object of mass 52.2 kg. Assume that its made up of equal numbers of protons, neutrons, and electrons. How many protons does this object contain? 6.24E+28 7.80E+27 1.56E+28 3.12E+28
The results of the Rutherford experiment can be categorized in 3 statements. Fill in themissing wordsI Most ______________________________ II. Some ______________________________ III. A few______________________________State which result gives evidence that the nucleus isa. heavier than an alpha particleb. very small compared to the size of the atomc. positively charged
Unreasonable Results A physicist scatters (rays from a substance and sees evidence of a nucleus 7.51013m in radius. (a) Find the atomic mass of such a nucleus. (b) What is unreasonable about this result? (c) What is unreasonable about the assumption?
(a) An aspiring physicist wants to build a scale model of a hydrogen atom for her science fair project. If the atom is 1.00 m in diameter, how big should she try to make the nucleus? (b) How easy will this be to do?
A particle of ionizing radiation creates 4000 ion pairs in the gas inside a Geiger tube as it passes through. What minimum energy was deposited, If 30.0 eV is required to create each ion pair?

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The mass number of an atom is found by O adding the number of protons and neutrons. adding the number of protons and electrons. subtracting the number of protons from the number of neutrons. O subtracting the number of protons from the number of electrons.