BIOL 101 Quiz Atoms (UMUC)

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BIOL 101 Quiz Atoms (UMUC)

1. Zinc is abbreviated Zn. What is the atomic mass of zinc?
2. An element has 43 protons and 50 neutrons. What is the ATOMIC MASS of this element?
3. Two atoms that have the same number of protons but different numbers of neutrons are called..
4. Fluorine, F, has an atomic number of 9 and an approximate atomic mass of 19. How many electrons does a fluorine atom have?
5. Neon has an atomic number of 10 and an atomic mass of approximately 20. How many electrons does neon have in its first shell?
6. Gold is abbreviated Au.
7. Fluorine, F, has an atomic number of 9 and an approximate atomic mass of 19. How many neutrons does a fluorine atom have?
8. Zinc is abbreviated Zn. How many electrons does zinc have in its first shell?
9. Beryllium, Be, has an atomic number of 4 and an atomic mass of approximately 9. How many neutrons does a beryllium atom have?
10. Neon has an atomic number of 10 and an atomic mass of approximately 20. How many neutrons does neon have?