Across
- 2. ion that gained electrons to get a full valence shell
- 3. this principle states that during a chemical reaction matter cannot be created nor destroyed
- 4. anything that has space and takes up mass
- 5. a substance used to speed up a reaction that doesn't get consumed
- 6. a number placed in fron of a chemical formula in an equation
- 8. most reactive nonmetal family
- 11. biological catalysts that help reactions in the cells in your body
- 12. a change in a substance that produces new, atomically different substances
- 13. a substance used to decrease the rate of a chemical reaction, making it slower
- 15. measurement of how much of a substance is dissolved in a solution
- 18. measurement of average kinetic energy of particles
- 19. melting and cutting are examples of this type of change
- 20. substances wherein their chemical bonds are broken and their atoms are rearranged during a chemical reaction
Down
- 1. a way to show a chemical reaction using letters numbers and symbols
- 2. minimum amount of energy required to start a chemical reaction
- 5. ion that released electrons to get a full valence shell
- 6. bond that requires atoms to share electrons
- 7. solid that forms from a chemical reaction between two liquids
- 9. this principle states that reactants must hit each other at the right angle and speed to react
- 10. particles (atoms and molecules) will share or transfer electrons to fill this orbital
- 14. bond that occurs between a metal and a nonmetal
- 16. group on the Periodic Table with elements that have one valence electron
- 17. new substances with new properties that are created during a chemical reaction
