Across
- 2. a small sized number on the bottom right of the symbol
- 4. a process in which one or more substance are coverted to one or more different substances
- 5. a formula giving the proportions of the elements present in a compound
- 9. a formula giving the number of atoms of each of the elements present in one molecule
- 11. the mass of the system must remain constant over time, the quantity can neither be added nor be removed
- 13. artificial execution of chemical reactions to obtain one or several products
- 14. an ionic compound
- 17. tells you by mass what percent of each element is present in a compound
Down
- 1. exchanges the cations of two ionic compounds
- 3. a scale used to meaure the acidity or basicity of aques solutions
- 6. ratio between the mass and the amount of substance of any sample of said compounds
- 7. simplifying a single chemical entity into 2 or more fragments
- 8. a chemical reaction in which acids and bases react with an equivalent quantity of eachother
- 10. species formed from chemical reactions
- 12. gives off hydrogen ions in water and forms salts by combining with different metals
- 15. a substance that can accept hydrogen ions in water and can neutralize acids
- 16. a chemical reaction that occurs between a fuel and an oxidizing agent that produces energy, usually in the form of heat or light
- 18. a number placed infront of a chemical symbol or formula that shows how many atoms are in the reactant