Across
- 3. Positively charged particle found in the nucleus
- 4. Mixture where one substance is evenly dissolved in another
- 7. Scale Measures how acidic or basic a substance is
- 8. Starting substance in a chemical reaction
- 10. Atoms of the same element with different numbers of neutrons
- 16. Group of atoms bonded together acting as a single unit
- 17. Bond Bond formed when atoms share electrons
- 19. Substance that dissolves another substance
- 20. Number Number of protons in an atom
Down
- 1. Substance formed from a chemical reaction
- 2. Substance formed when two or more elements chemically combine
- 5. Reaction Process where substances change into new substances
- 6. Number Total number of protons and neutrons
- 9. Smallest unit of an element that still keeps its properties
- 11. Negatively charged particle moving around the nucleus
- 12. Pure substance made of only one type of atoms
- 13. Neutral particle located in the nucleus
- 14. Bond Bond formed by transfer of electrons between atoms
- 15. substance that produces hydrogen ions (OH-) in solution
- 18. substance that produces hydrogen ions (H+) in solution