Chemistry Study Guide
Across
- 3. Outermost orbital.
- 6. Number of electrons/protons.
- 9. Energy is released.
- 11. Make up group 18 in the periodic table.
- 12. Column on periodic table.
- 14. Substance that changes in a chemical reaction.
- 16. Can't be broken down farther.
- 17. Mass of an atom
- 20. Positively charged center of an atom.
- 22. Russian chemist and inventor.
- 24. Reaction that occurs in which a layer of metal is bonded to the surface of another substance (mainly metal)
- 25. Two atoms of different elements combine.
Down
- 1. Total amount of mass within a substance remains constant after a chemical reaction
- 2. Regions of space outside the nucleus where an electron may exist.
- 4. Move around the nucleus, negative charge.
- 5. Found in nucleus, no charge.
- 7. Solid metrical, hard, shiny, malleable, ductile and conducts electricity.
- 8. Brittle, not malleable or ductile, poor conductors.
- 10. Cross between metal and non-meta, partially conducts.
- 13. Particle found in the nucleus, positive charge.
- 15. Smallest part of an element and can't be broken down farther.
- 18. Abbreviation of an element
- 19. Energy is absorbed.
- 21. Rows on periodic table.
- 23. Formed when one or more atoms combine.
- 26. Result of a chemical reaction.