SpicyMilk
SpicyMilk SpicyMilk
  • 06-05-2021
  • Chemistry
contestada

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

Element 2 is A Cobalt BChlorine CCalcium DCarbon class=

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nahthatsmaddy
nahthatsmaddy nahthatsmaddy
  • 06-05-2021

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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