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I need help on this asap!!!

I need help on this asap!!!-example-1
User Wrkwrk
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Answer:

Explanation:

atomic number = 8

chemical symbol = O

number of protons = 8

atomic weight = 16

Number of electrons = 8

Number of valence electrons = 6

Number of electrons in the second shell = 6

Number of neutrons = 8

User Graydyn Young
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