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


Element 2 Is A Cobalt BChlorine CCalcium DCarbon class=

Sagot :

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.