Across
- 4. A way to show the number and type of atoms in a compound or a molecule with symbols and numbers.
- 6. Formulas written on the left side of the yield ( → ) are the starting substances in a chemical reaction.
- 9. states that mass cannot be created or destroyed.
- 10. A change in which a substance (or substances) is changed into one or more new substances with different properties than the original substances.
Down
- 1. Describes what happens in a chemical reaction. The equation identifies the starting materials (reactants) and resulting substances (product) in formula form.
- 2. A small number that is written below the normal line of letters to show the number of atoms of each element is present in a substance.
- 3. A number in front of any chemical formula in a chemical equation showing the number of molecules involved in the reaction.
- 5. Two or more atoms joined together. The atoms can be the same element or different elements.
- 7. Formulas written on the right side of the yield ( → ) are the new substances formed in a chemical reaction.
- 8. A substance composed of two or more DIFFERENT element.