Science 7 - Alkali Metals/ Group 1 Elements Flashcards
1
Q
Chemical elements of alkali metals
A
Lithium Sodium Potassium Rubidium Caesium Francium
2
Q
What group is group 1
A
Alkali metals
3
Q
Lithium symbol
A
Li
4
Q
Sodium symbol
A
Na
5
Q
Potassium symbol
A
K
6
Q
Rubidium symbol
A
Rb
7
Q
Caesium symbol
A
Cs
8
Q
Francium symbol
A
Fr
9
Q
Reactivity order
Start with the lowest
A
Lithium Sodium Potassium Rubidium Caesium Francium
10
Q
Why does the reactivity increase as you move down the group
A
Because the elements electron shells increase which show it is unstable
Therefore more reactive
11
Q
What happens to the melting/boiling point as you move down the group
A
Decreases
12
Q
Why are they stored underneath oil
A
Very reactive with oxygen and other elements