Question

What is the abbreviated electron configuration of Sn?

Answer 1

Tin - Sn, on the periodic table is found in the fourteenth column of the periodic table Group IVB this is the second column of the p block. Tin is in the fifth energy level (row).

This means that Tin must end with an electron configuration of `5p^2`
The total electron configuration would be
`1s^2 2s^2 2P^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^2`

The noble gas Krypton has an electron configuration of
`1s^2 2s^2 2P^6 3s^2 3p^6 4s^2 3d^10 4p^6`

So we can replace this portion of tin's electron configuration with the noble gas notation [Kr]

This makes the electron configuration for Tin - Sn
`[Kr] 5s^2 4d^10 5p^2`

I hope this was helpful.
SMARTERTEACHER