Across
- 1. chemical mass unit equal to Avogadro's number
- 4. part of the atomic nucleus that has a charge of +1
- 5. substance that does the dissolving in a chemical solution
- 7. starting material for a chemical reaction
- 8. a substance that cannot be subdivided and is identified by the number of protons in its atoms
- 10. a chemical species that accepts protons
- 14. substance that is dissolved in a chemical solution
- 15. chemical bond between atoms caused by an electrostatic force in opposite charged ions
- 16. chemical bond between atoms where electrons are more or less evenly shared
- 18. substance formed as a result of a chemical reaction
Down
- 2. a chemical reaction that releases heat
- 3. a chemical reaction that absorbs heat
- 6. outer electron that is most likely to participate in a bond formation or a chemical reaction
- 9. part of the atomic nucleus that has a charge of 0
- 11. homogenous mixture of two or more substances
- 12. a chemical species that donates protons
- 13. the number of protons in the nucleus of an atom of an element
- 17. part of the atomic nucleus that has a charge of -1
- 18. measure of hydrogen ion in a solution showing the acidity or basicity of a substance