Y10 Mocks Flashcards
(4 cards)
1
Q
What are the 3 types of bonding
A
Ionic covalent and metallic
2
Q
Which salts are soluble?
A
Common salts of Sodium, potassium and ammonium. Nitrates. Common chloride except silver and lead. Sulfates except lead barium and calcium. Carbonates and hydroxides except for sodium, potassium and ammonium ones.
3
Q
What are some properties of alkali metals?
A
Group 1 so one outer shell. They are very reactive. As u go down the group they become more reactive. Reactions with cold water produces a hydroxide and hydrogen gas.
4
Q
What are some properties of halogens?
A
They have 7 electrons in the outer shell
