Across
- 1. a colum on the periodic table
- 4. what is the left hand side of the periodic table classified as
- 5. core the deepest past in the structure of the earths
- 6. what happens when a more reactive metal displaces a less reactive metal
Down
- 2. core deep inside the earth
- 3. a row on the periodic table
- 4. earth inner layer with magma
- 7. earth outer layer