<span>Just look it up on answers.com
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The first one is correct cause first of all it's atomic number is 7 and second of all it's atomic mass is about 15
Cellar respiration simple if u need explanation just search up
Answer:
The answer would either be Carbon or Silicon.
Explanation:
5.60*10²³ is the answer First you find the molar mass of nickel then you you turn grams to moles to atoms and boom there's your answer.
