Progress Test 1
Marks ranged from the superb 24/24 to the awful 2/24
Anyone scoring less then 18 (75%) have to resit on Thursday.
The test can be downloaded Topic 1 – atoms
Started Topic 2 – Bonding and Properties
Looked at sodium chloride crystals using microscopes
The sodium chloride appears as cubic crystals. Some are a bit rounded as they get chipped and worn on pouring.