The Periodic Table and Atomic Properties Quiz

Valency is the charge on the ion of an atom. All atoms in a group have the same valency.

Electronegativity is the tendency of an atom to attract shared electrons towards itself. Across a period, the electronegativity increases as there are more protons in the nucleus, which can attract electrons more strongly.

Ionisation energy is the amount of energy required to remove an electron from an atom. The ionisation energy decreases as the atomic radius increases.

<p>Each extra row adds another electron shell, so the atomic radius increases.</p> Signup and view all the answers

<p>The element with the highest electronegativity is Fluorine.</p> Signup and view all the answers