Chemical bonding covalent bonding worksheet 3

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

it's filtration, but this is an assumption so my apologies if i got this

it would be d. henry moseley

hope this !

and sorry if i'm late. have a good rest of your day! : d