Periodic table trends

Question 1

Core charge

Answer 1

(group number)
Increases across, constant down
Group 18 has most

Question 2

Atomic radius

Answer 2

Decreases across, increases down
Francium has most

Question 3

Electronegativity

Answer 3

Increases across, decreases down
Most is Flourine (FONCl)

Question 4

Metallic character

Answer 4

Decreases across, increases down.
Francium has most

Question 5

Non-metallic character

Answer 5

Increases across, decreases down
Most is Helium

Question 6

First ionization energy

Answer 6

Increases across, decreases down
Most is Helium

Question 7

Reactivity

Answer 7

Increases toward left and right, decreases towards middle