Across
- 2. a vertical column on the periodic table
- 7. subatomic particle that has no charge and that is located in the nucleus of an atom
- 8. Solubility is the property of a solid, liquid or gaseous chemical substance called solute to dissolve in a solid, liquid or gaseous solvent.
- 10. a consistency like that of water or oil, flowing freely but of constant volume.
- 12. change:alters some physical properties of a substance without changing the identity of the substance.
- 13. mass: the sum of the number of neutrons and protons.
- 14. number:the number of protons
- 16. set on fire; combustible; inflammable.
- 19. properties:is a characteristic that can be observed or measured without changing the identity of a substance.
- 20. extreme malleability of gold.
Down
- 1. subatomic particle that has a positive charge and that is located in the nucleus of an atom
- 3. properties:is a characteristic that determines how one substance will interact with other substances during a chemical reaction.
- 4. is a physical property that describes how much matter is packed into a certain space.
- 5. and stable in shape; not liquid or fluid.
- 6. gas at a very high temperature
- 9. subatomic particle that has a negative charge
- 11. smallest unit of an element that maintains the chemical properties of that element
- 12. gas at a very high temperature
- 15. for chemical elements
- 17. electron:is a negatively charged particle, located in the outermost shell of an atom, that can be transferred to or shared with another atom.
- 18. a horizontal row in the periodic table