3.
LIQUID METAL AT ROOM TEMPERATURE
4.
FOUND ON LEFT OF PERIODIC TABLE
5.
SUBATOMIC PARTICLE WITH A NEGATIVE CHARGE
6.
POSITIVELY CHARGED SUBATOMIC PARTICLE
7.
SUBATOMIC PARTICLE WITH NO CHARGE
8.
HOW MUCH MATTER SOMETHING IS MADE UP OF
12.
RUSSIAN CHEMIST WHO DEVELOPED PERIODIC TABLE
13.
METAL USED IN ELECTRICAL WIRES
14.
ALKALI METAL MORE REACTIVE THAN SODIUM
15.
USED TO KILL BACTERIA IN SWIMMING POOLS
17.
REACTS WITH OXYGEN TO PRODUCE RUST
