Periodicity

Question 1

How does the periodic table arrange elements by

Answer 1

Proton number

Question 2

What block is group 1 and 2

Answer 2

S block

Question 3

What block is groups 3 to 0

Answer 3

P block

Question 4

What block is transition metals

Answer 4

D block

Question 5

What block is radioactive elements

Answer 5

F block

Question 6

Along a period what happens to the atomic radius

Answer 6

Decreased

Question 7

What does atomic radius decrease along a PERIOD

Answer 7

Increased nuclear charge for the same number of electron shells

The outer electrons are pulled in closer to the nucleus

Question 8

What happens to the atomic radius going down a group

Answer 8

It increases

Question 9

What happens to ionisation energy going along a period

Answer 9

Increases

Question 10

Why does ionisation energy increase along a period

Answer 10

The decreasing atomic radius lands stronger attraction so more energy to overcome forces

Question 11

What happens to ionisation energy going down a group

Answer 11

Decreases

Question 12

What bonding does sodium magnesium and aluminium have

Answer 12

Metallic bonding

Question 13

Explain the structure of silicon

3 points

Answer 13

Macromolecular

Tetrahedral structure

Covenant structure

Question 14

Explain the structure of phosphorus sulphur and chlorine

Answer 14

Simple covelant molecules held with weak van de waals forces