Period table trends

Question 1

Core charge

Answer 1

Increases across a period, is constant down a group. Distance between nucleus and valence electrons is constant across a period but decreases down a group.

Question 2

Electronegativity

Answer 2

Increases across a period, decreases down a group

Question 3

Electron affinity

Answer 3

Increases across a period, decreases down a group

Question 4

Ionisation energy

Answer 4

Increases across a period, decreases down a group

Question 5

Atomic radius

Answer 5

Decreases across a period, increases down a group

Question 6

Metallic character

Answer 6

Increases going down and left, Francium is the most metallic