Across
- 2. starting substances of a chemical reaction
- 4. one mole measured in mass in grams of substances
- 6. representation of a chemical reaction in words
- 8. a number that is in front of a chemical formula or symbol usually indicating how many of its atoms or molecules are involved in reacting with the substance itself
- 9. the number of atoms in an element that are located below the chemical symbol or formula.
- 10. two or more substances react together in order to form a single product
Down
- 1. a compound breaks down into two or more simpler substance
- 3. new formed substances from the reaction
- 5. scientific unit that is used to measure quantities of substances, such as molecules or electrons
- 7. substance and oxygen combine and react to produce heat and a new product