Covalent Bonding

Question 1

Covent bonds form between…….

Answer 1

Non-metal atoms

Question 2

A covalent bond forms when…..are held together by their common attraction for a……..

Answer 2

Two positive nuclei, shared pair of electrons

Question 3

The first energy level can hold how many electrons

Answer 3

2

Question 4

What is a diatomic molecule?

Answer 4

Two of the same non-metal elements held together by a covalent bond.

e.g. oxygen and nitrogen

Question 5

What are the seven diatomic molecules

Answer 5

BOFINCH

bromine, oxygen, fluorine, iodine, nitrogen, choline, and hydrogen

Question 6

What is the limit to the number of bonds between atoms

Answer 6

4

Question 7

What are the shapes of covalent molecules?

Answer 7

Linear, angular, pyramidal, tetrahedral, trigonal pyramidal

Question 8

What does tetra mean?

Answer 8

Four

Question 9

Covent substances can form either…..or……..

Answer 9

Discrete molecular, giant network structures

Question 10

Describe discrete covalent molecules

Answer 10

They have weak attractions between their molecules but strong covalent bonds between their atoms

Question 11

Describe giant covalent networks

Answer 11

Strong covalent bonds within one giant structure

e.g. diamonds or sand