Across
- 2. A rule in science that is always true
- 9. The number at the bottom right hand of the symbol that shows the number of atoms of that element
- 11. the chemical process by which atoms are rearranged to produce new substances
- 13. The unit of measure for mass in the metric system
- 14. The name given to the substances formed in a chemical reaction, on the right side of the arrow
- 15. The name given to the arrow in a chemical reaction
- 16. if a chemical reaction has 10 g of a compound to start with how many grams does it need to end with to follow the law conservation of mass?
Down
- 1. Anything that has mass and takes up space
- 3. The amount of matter in an object
- 4. When determining the total number of atoms, if there’s a coefficient and a subscript, what do you do to them?
- 5. the combination of chemical symbols and numbers that represent matter
- 6. original substances or atoms on the left-hand side of the arrow
- 7. The same number of atoms are present ______ and after the chemical reaction
- 8. On the reactant side, there is 2 g of a compound and on the product side there is 8 g of total product. How many grams are missing from the reactant side?
- 9. Both sides of the equation must end with the _______ number of atoms
- 10. The number placed in front of the chemical formula to show the number of molecules
- 12. ______ substances in a chemical reaction must be made of the same number of atoms the reaction started with