Covalent bonding Flashcards
1
Q
What is a covalent bond?
A
A shared pair of electrons between non-metal atoms only
2
Q
Where are non-metal elements found on the period table?
A
To the right of the stepped line
3
Q
Why are covalent bonds used?
A
To achieve a full outer shell of electrons forming stable molecules
4
Q
True or false:
Covalent bonds are very strong
A
True
5
Q
What is meant by a strong bond?
A
A lot of energy is needed to break the bond
6
Q
What do all moll=ecules consist of?
A
Non-metals
7
Q
What is the formula of a hydrogen molecule?
A
H2
(little 2)
8
Q
What is the formula of a fluorine molecule?
A
F2
(little 2)
9
Q
What is the molecular formula of a chlorine molecule?
A
Cl2
(little 2)
10
Q
What is the molecular formula of a bromine molecule?
A
Br2
(little 2)