5. Which subatomic particle determines the identity of the element? 6. What does the atomic number tell you about an element?
7. The atomic number is equal to the number of
and in a neutral atom the number of
8. The atomic mass of elements equals the number of
plus
9. Which subatomic particles are found in the nucleus?
10. Which subatomic particles are found in the cloud or energy levels?
11. What is the atomic mass of an element with 8 protons and 9 neutrons?
12. What is the atomic mass of an element with 20 protons and 21 neutrons?
13. How many neutrons are found in an atom of Fluorine?
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