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The electron configuration for an atom is 1 s 2 2 s 2 2 p 2 . How many electrons does the atom have?

A. 6
B. 2
C. 5
D. 4

2 Answers

4 votes

Answer:

D) 4

Step-by-step explanation:

User Saraford
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4 votes
D. i did this test before :P
User Ena
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