. 10. What is the difference between Atomic Mass and Atomic Number? a) Atomic Mass is the number of protons; Atomic Number is the number of neutrons b) Atomic Mass is the number of protons and neutrons; Atomic Number is the number of protons c) Atomic Mass is the number of neutrons; Atomic Number is the number of protons d) Atomic Mass is the number of protons; Atomic Number is the number of protons and neutrons.

. 10. What is the difference between Atomic Mass and Atomic Number? a) Atomic Mass is the number of protons; Atomic Number is the number of neutrons b) Atomic Mass is the number of protons and neutrons; Atomic Number is the number of protons c) Atomic Mass is the number of neutrons; Atomic Number is the number of protons d) Atomic Mass is the number of protons; Atomic Number is the number of protons and neutrons.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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16. Average atomic mass is different from mass number because... A. the average atomic mass describes the mass number of a single atom, but mass number describes the average of all exact masses among isotopes of an element. B. mass number describes the approximate mass of the nucleus of a single atom, but average atomic mass describes the weighted average of all the exact masses among isotopes of an element. C. mass number describes the exact mass of a single atom, but average atomic mass describes the average of all mass numbers. O D. mass number describes the approximate mass of the nucleus of a single atom, but average atomic mass describes the largest mass among isotopes of an element.
37.) Consider particle A with a mass number of 62, atomic number 32 and an ionic charge of +2. Which of the following is correct a. A has an equal number of protons and neutrons b. A has an equal number of protons and electrons c. A has an equal number of neutrons and electrons d. A has an equal number of protons, electrons and neutrons
3. 4 6. 7 8. 9. 10 11 12 13 14 There are only two naturally-occuring stable isotopes of chlorine. The mass and natural abundance of one of them is listed in the table below. Use whatever data you need from the ALEKS Periodic Table to determine the identity, mass and natural abundance of the other isotope, and complete the table. Round your entry for mass to 4 significant digits and your entry for natural abundance to 4 significant digits. ala natural abundance Ar mass isotope x10 (amu) [% 37 Cl 36.966 24.22% Submit Assignment Continue 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility MacBook Air DD F1 80 F9 F10 F7 F8 F6 F4 F5 FI F2 F3 % & %24 2.
10. The mass of a neutron is a) 0 a.m.u. b) 1 a.m.u. c) -1 a.m.u. 11. The charge on a proton is: a) 0 b) +1 c) -1 12. Which tells you the identity of an atom? a) The atomic mass b) The number of protons c) The number of neutrons 13. An isotope of an element has: a) The same number of protons but different number of electrons. b) The same number of neutrons but different number of protons. c) The same number of protons but different number of neutrons 14. Two particles found inside the nucleus of an atom are: a. neutrons and electrons b. protons and electrons c. protons and neutrons 15. How many protons does the Na (sodium) atom have? (Hint: use your peric a) 7 b) 11 c) 23 d) 10
7. How many neutrons are there in carbon-14 A. 6 B. 8 C. 14 D. 20 8. How many protons are there in an atomic with 8 neutrons and 10 electrons A. 8 B. 10 C. 2 D. 18
The proton and the electron have about the same mass. Most of the mass of an atom is due to The neutron is electrically neutral. the protons and neutrons. The mass number is the number of The charge of a proton is equal, but opposite, to the charge of a neutron. protons. True False More information needed to make a determination
True or False...and why? a.) If you change number of protons, you have isotopes of an element b.) If you change number of neutrons, ions are created c.) If you change number of electrons, you have a different element
number of fluorine. A tremendous explosion follows emitting light and heat able to be observed from a 41) A teenage child in Wisconsin throws a chunk of sodium metal into a lake consisting of freshwater with an approximate density of 1.01 g/mL. The chunk of sodium has a mass (in kilograms) equal to the atomic number of fluorine. A tremendous explosion follows emitting light and heat able to be observed from a drone flying at an altitude of approximately 53 m. How many atoms of sodium from the original chunk remain in Wisconsin after the reaction is complete? This is an MCAT style question. Keep in mind that some of the data given may not be necessary to solve the problem. Use four sig figs. 1.019/mL ら3m a) 4.616E25 b) 2.357E23 c) 2.853E26 d) 8.390E22 53
What is the atomic number of an ion with a -2 charge when it has 18 electrons? O A. 20 В. 16 О С. 24 O D. 18