Across
- 2. when the temperature decreases it is a ______ reaction
- 3. when a more reactive metal displaces a less reactive metal
- 5. when heat is absorb from surroundings
- 7. what is the right side of the periodic table classified as
- 8. what is the reaction of which is product is almost always carbon dioxide +water
- 9. what is a column called on the periodic table?
- 10. what is the left side of the periodic table classified as?
- 11. a reaction in which fuel reacts with oxygen to release energy and light energy
Down
- 1. what is a row on the periodic table called?
- 2. when the temperature increases it is a ______ reaction
- 4. when heat is released out to the surroundings
- 6. what happens to the atomic number when we fo from one elect to another?