If there is anyone that can help me asap that would be greatly appreciated thank you!!

br

se

as

ge

Explanation:

Br is 2.8

Se is 2.4

As is 2.0

Ge is 1.8

n has four pairs of electrons in the valence shell, electrons repel one another ,n has 7 protons in its nucleus, and since n has 7 protons, it must fill the second shell, giving it 4 pairs of electrons. the electrons form 3 bonds and 1 lone pair of electrons. each pair of electrons repels the other pairs, so they are equally far apart.

so all of the above