Question

Can someone explain what electron affinity is and how this quantify changes on the periodic table?

Answer 1

Ability of an atom to gain electron in its neutral state

Answer 2

This is what i think about electron affinity.

Answer 3

The atoms in need of electron will have higher electron affinity. It will also acquire a extra negative charge due to gain of electrons.

Answer 4

@rvc thanks, ok so if it's a neutral atoms ability to gain an electron, more electronegative atoms would have a higher electron affinity?

Answer 5

yep

Answer 6

@rvc so as we go from left to right across a period Electron affinity increases, would this mean more negative EA values?

Answer 7

Metals wont have high electronegativity because they tend to lose electron

Answer 8

*electron affinity

Answer 9

yes @Photon336

Answer 10

the latter part im not sure
but yes it increases from left to right