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algol [13]
3 years ago
7

Just need question 3 answered!!

Chemistry
2 answers:
jenyasd209 [6]3 years ago
5 0

Answer:

5

Explanation:

simply add exponents of the highest energy level (the big number in the front says what energy level it is in)

Naddika [18.5K]3 years ago
3 0

Answer:

C

Explanation:

There are 5 valence electrons

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