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einsteindude einsteindude
wrote...
Posts: 5058
9 years ago
How many electrons are there in the third shell of sodium, Na (atomic number 11)?
A) none
B) one
C) two
D) three
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
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bSharpbSharp
wrote...
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Posts: 3706
9 years ago
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9 years ago
Super! Don't forget to mark my post as best answer Grinning Face
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