Across
- 4. number, number of units in one mole of any substance (defined as its molecular weight in grams), equal to 6.02214076 × 1023
- 7. slow downs the chemical and the reaction too
- 8. energy, in a fire, we transform carbon in wood into CO2
- 9. The amount of substance that contains the same number of chemical species
Down
- 1. substance, such as calcium oxide, that absorbs water and is used to remove moisture
- 2. any compound containing water in the form of H2O molecules, usually, but not always, with a definite content of water by weight
- 3. mass, compound tells you the mass of 1 mole of that substance
- 5. replacement, a chemical reaction in which one element replaces another in a compound.
- 6. replacement, cur when parts of two ionic compounds are exchanged, making two new compounds.