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Elza [17]
3 years ago
12

Element 2 is: A) Cobalt B)Chlorine C)Calcium D)Carbon

Chemistry
1 answer:
saul85 [17]3 years ago
4 0

Answer:

D: Carbon

Explanation:

Carbon is the sixth element with a total of 6 electrons in the periodic table. Hence the atomic number Z = 6. The ground state electron configuration of carbon is 1s2 2s2 2p2. An excited state electron configuration of carbon is 1s2 2s1 2p3.

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