Across
- 2. Combination of two or more substances in any
- 4. Basic unit for molecular (covalent) compounds
- 7. A pure substance made up of two or more different elements
- 8. A unit of chemistry, that shows the 6.02 x 10^23
- 9. Anything that has mass and volume
- 12. A positively charged particle found in the nucleus
- 15. Atoms that share the same number of protons but different numbers of neutrons
- 16. The tiny particle that makes up all substances
- 18. The space occupied by substances
- 20. Negatively charged ion
- 21. Negatively charged subatomic particle
- 22. Special place for conducting experiments
- 23. The substance in a solution that is dissolved by a solvent
Down
- 1. Positively charged ion
- 3. The mass of a unit volume of a substance
- 5. A pure substance that cannot be broken down into simpler elements
- 6. Charged atom
- 7. A branch of natural science that studies matter and its changes
- 10. Degree of hotness or coldness
- 11. Amount of substance
- 12. of any particle.
- 13. A non-charged subatomic particle found in the nucleus
- 14. Scientist who studies chemistry
- 17. The substance that dissolves a solute in a solution
- 19. An organized procedure to perform the processes under controlled conditions