Chemistry GCSE Flashcards
1
Q
What does the group number tell you?
A
The number of electrons in the outer shell
2
Q
What does the period number tell you?
A
The number of electron shells
3
Q
How do you work out number of neutrons?
A
top number - bottom number
4
Q
How do you extract iron and copper?
A
Reduction
5
Q
How do you extract gold, silver and platinum?
A
Mining
6
Q
How do you extract aluminium, sodium, magnesium and potassium?
A
Electrolysis
7
Q
What is metallic bonding?
A
metal and metal
8
Q
What is covalent bonding?
A
non-metal and non-metal
9
Q
What is ionic bonding?
A
non-metal and metal
10
Q
How do you work out the relative atomic mass?
A
number of protons + number of neutrons
