Chemistry- C1 Part A

Across

• 1. Separates a soluble salt from a solution, forms crystals from heat (11)
• 4. ... have an overall charge (4)
• 5. This man fired positive alpha particles at gold and proved the plum pudding model was wrong by the particles being deflected backwards and passing through, instead of all passing through the gold. He did the Alpha particle experiment (10)
• 8. This is in the middle, contains protons and neutrons and has a positive charge (7)
• 9. Number of protons and neutron are equal, so ... are neutral (5)