Alkali Metals Flashcards
(6 cards)
1
Q
To avoid the reaction with oxygen, where are alkali metals stored?
A
Under oil
2
Q
How does the reactivity of alkali metals change down the group?
A
The reactions become more reactive down the group
3
Q
What flame colour does lithium compounds produce?
A
Red coloured flame
4
Q
What colour flame does sodium compounds produce?
A
A yellow orange flame
5
Q
What colour flame does potassium compounds produce..
A
Lilac flame
6
Q
What is the result of alkali metals reacting with oxygen?
A
They tarnish, or corrode, forming a layer of metal oxide on the surface
