| A | B |
|---|
| This halogen can be used to fight bacteria in swimming pools | chlorine |
| Sodium combines with Fluorine to fight ________ in toothpaste | tooth decay |
| Some pots and pans have a non-stick surface because they are coated with | fluorine |
| This element in group 13 is a solid metal, but its melting point is so low it will melt in your hand | gallium |
| Cerium to Lutetium are called the | lanthanides |
| Lanthanides are usually found combined with ______ in the Earths crust | oxygen |
| thorium to lawrencium are called the | actinides |
| Lanthanides are ______ that can be cut with a knife | soft metals |
