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The Periodic Table: A Quick Review. What is the atomic symbol of oxygen? O What 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 - PowerPoint PPT Presentation
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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