Paper 1 Flashcards
1
Q
Describe the structure and bonding in magnesium
A
There is a giant lattice of cations with electrostatic forces of attraction between cations with delocalised electrons
2
Q
What’s is the formula for reacting magnesium with steam
A
Mg(s) + H2O(g) — MgO(s) + H2(g)
3
Q
What’s are some observations for reacting steam with magnesium
A
A white flame and a grey powder is formed
4
Q
What’s the least soluble group 2 metal and what is it used for
A
- Ba(SO4)
- Barium meals for x rays
5
Q
What is electron impact
A
High energy electrons are used to knock out an electron from each molecule
