Across
- 2. 8)A chemical formula is also called ... formula
- 4. 2)what is the opposite reactions to the synthesis?
- 7. 7)he wrote the formula on Senku’s clothes
- 8. 9)the arrow in between products and reactants
Down
- 1. 3)organic compounds such as ... and hydrogen are always listed first
- 3. 1)who identified the synthesis reactions?
- 5. 4)Priestley had discovered ... as a result of decomposition reaction
- 6. 5)in chemical reactions it never changes
- 9. 6)had postulated the atomic theory in the 19th