Types of bonding / structure of 1st 20 elements

Question 1

What is electronegativity?

Answer 1

The measure of attraction a nucleus has for shared electrons.

Question 2

Why do the boiling points of the halogens increase going down group 7.

Answer 2

. Strength of the intermolecular forces is greater.

. Because the number of electrons increases therefore LDFs are stronger.

. Therefore LDFs take more energy to break.

Question 3

What is the first ionisation energy?

Answer 3

The energy required to remove one mole of electrons from one mole of atoms in the gas state.

Question 4

How does hydrogen bonding occur?

Answer 4

When hydrogen bonds with either Nitrogen, oxygen or fluorine.

Question 5

What is the structure of sulfur?

Answer 5

S⁸

Question 6

What is the structure of phosphorus?

Answer 6

P⁴

Question 7

What are the three structures of carbon?

Answer 7

Covalent network (diamond)
Covalent network (graphite)
Covalent molecular (buckminsterfullerine)

Question 8

What is the molecular formula of buckminsterfullerene?

Answer 8

C60