Across
- 1. The basic building block of most of the matter around us; the smallest particle of an element that has all the properties of that element
- 4. The neutrally charged subatomic particle that is located inside the nucleus of an atom
- 7. A measure of an atoms mass that is equal to the number of protons and neutrons in the elements nucleus
- 9. The substance that is formed as a result of an chemical reaction
- 11. The ability for a given substance, the solute , to dissolve into a solvent
- 12. The temperature at which a substance changes from a solid to a liquid
- 14. A pure substance that forms when two or more elements join chemically in a fixed proportion.
- 15. A change that results in the formation of a new substance or substances
- 16. The temperature at which a substance boils
- 18. Science that deals with the identification, properties, reactions, and changes of substances in matter.
- 19. A homogeneous mixture composed of two or more substances
- 20. What is formed when two or more atoms combine and join together
Down
- 2. A material system made up of two or more different substances which are mixed but not combined chemically
- 3. A positive negatively charged subatomic
- 5. Substances initially present in a chemical reaction that are consumed during the reaction to make a product
- 6. The number of protons in the nucleus of an atom
- 8. A substance that dissolves a solute
- 10. A negatively charged subatomic particle that is located outside the nucleus of an atom
- 13. Changes in a substance that affects its form but not its chemical composition
- 17. A substance dissolved into another substance, that usually is smaller in proportion, forming a solution