Question

Which symbol corresponds to the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶?

a) Ne
b) O
c) Mg
d) S

Answer 1

The symbol corresponding to the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ is Sulfur (S).

Step-by-step explanation:

The electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ corresponds to the element Sulfur (S).

This can be determined by understanding the order in which electrons fill orbitals. The electron configuration you provided indicates that there are 2 electrons in the 1s orbital, 2 electrons in the 2s orbital, 6 electrons in the 2p orbital, 2 electrons in the 3s orbital, and 6 electrons in the 3p orbital. Adding them up, we get a total of 16 electrons, which corresponds to the atomic number of Sulfur.

Therefore, the correct symbol for this electron configuration is d) S