5.3 Covalent Bonding

Question 1

Define covalent bond

Answer 1

The electrostatic attraction between a shared pair of electrons and the nuclei of the bonded atoms.

Question 2

Define covalent bond in terms of orbital overlap

Answer 2

The overlap of orbitals to give a shared pair of electrons

Question 3

Covalent bond is between:

Answer 3

NON metals sharing electrons to achieve a full outer shell

Question 4

What are lone pairs

Answer 4

Paired electrons that aren’t shared

Question 5

How many covalent bonds does carbon form?

Answer 5

4

Question 6

How many covalent bonds does nitrogen form?

Answer 6

3

Question 7

How many covalent bonds does oxygen form?

Answer 7

2

Question 8

How many covalent bonds does hydrogen form?

Answer 8

1

Question 9

What are double covalent bonds?

Answer 9

When The electrostatic attraction is between 2 shared pairs of electrons and the nuclei

Question 10

What are triple covalent bonds?

Answer 10

When the electrostatic attraction is between 3 shared pairs of electrons and the nuclei

Question 11

What is a dative covalent bond?

Also known as?

Example?

Answer 11

A covalent bond in which the shared pair of electrons has been supplied by one of the bonding atoms only.
Also known as co ordinate.

NH4+

Question 12

How to measure covalent bond strength?

Answer 12

Using average bond enthalpy

Question 13

What do covalent bonds form?

Answer 13

Simple and giant structures