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Page 1: The Periodic Table: A Quick Review

The Periodic Table: A Quick

ReviewWhat is the atomic symbol of oxygen?

OWhat is the atomic number of calcium (Ca)?

20

How many total electrons does a sodium atom (Na) have? 11

What is the atomic weight of a helium atom (He)? 4 amu

How many protons does an atom of carbon (C) have? 6

How many neutrons are in the nucleus of a neon (Ne) atom? 10

How many electron are in the outer shell of nitrogen (N)? 5

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