pick an atom fron 2-10 on prions find out how many protons and neutrons + electrons
Equiṕment:
- 1 piece of card? paper
- 30cm of string
- blue tac
- coloured beads for protons + neutrons
method:
- stick p + n beads from paper
- draw electrons onto rings
- create a label
- tape strings to back of paper so it can hang