Across
- 5. A chemical bond that involves sharing a pair of electrons between atoms in a molecule; happens between nonmetals
- 7. A chemical substance that is present at the start of a chemical reaction
- 9. process that changes one set of chemicals into another set of chemicals
- 10. A substance produced in a chemical reaction
Down
- 1. number in front of a chemical symbol or formula that tells how many atoms or molecules are involved in the reaction
- 2. A reaction that ABSORBS energy in the form of heat (feels cold to the touch)
- 3. solid that forms from a solution during a chemical reaction
- 4. description of a chemical reaction that uses symbols to show how atoms interact
- 6. Formed when one or more electrons are transferred from one atom to another; happens between an metal and nonmetal
- 8. Chemical Reaction in which energy is primarily given off in the form of heat