Pop chem quiz!

MIThopeful16
Sun, 25 Nov 2012 23:24:03 +0000

Fairly ambiguous if you asked me. We considering size in terms of atomic radius or what?
I’m going to assume H is smaller than J in terms of Atomic Radius, and going across a period, we notice an increase in Nuclear Charge while no extra shells are being added to an atom, therefore H must have a greater positive charge in its nuclei.