group 2 metals Flashcards
1
Q
state a use of magnesium hydroxide in medicine
A
to treat indegistion
2
Q
What is the trend of atomic radius down the group
A
it increases because extra electron shells added down the group
3
Q
what is the trend of first ionisation energy down the group
A
decreases down the group extra electron shell increased shielding from nucleus decreased attraction to nucleus easieer to remove electrons down the group
4
Q
what is the trend of reactivity
A
increase
as down the group they lose their outer electrons easier
5
Q
what is the trend of melting points down the group
A
it decreases down the group
larger radius
delocalised electrons further from nucleus
less energy to break bonds
6
Q
what is the trend of solubility of the group 2 hydroxides
A
increasing down the group
7
Q
what is the trend of solubility of the group 2 sulfates
A
decreasing down the group
8
Q
what is one use of magnesium in industry
A
in the extraction of titanium
