Question

write the subshells electronic configuration of an atom with atomic number 21​

Answer 1

Answer:

All of these shells are filled except the 3p shell which has four electrons. Therefore, the electronic configuration of sulfur can be written as 1s2 2s2 2p6 3s2 3p4.

Answer 2

Answer:

Therefore, the electronic configuration of sulfur can be written as 1s2 2s2 2p6 3s2 3p4.

Explanation:

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