Chemistry Crossword

2. changing the state/phase of matter from a gas to a liquid by removing energy
6. particle found in the electron cloud surrounding the nucleus of an atom that has little mass and a negative charge
12. table where the different types of atoms are organized according to increasing proton number
15. changing the state/phase of matter from a solid to a liquid by adding energy
18. a tool used to measure heat (thermal) energy
19. the formula for a molecule using element symbols and numbers
21. a material found in the environment that can be an animal, plant, or rock
22. a measure of heat (thermal) energy
23. dihydrogen monoxide

1. a state/phase of matter in which the volume does not change but the shape changes
3. a material that obtained from natural materials that have been through a chemical process
4. particle found in the nucleus of an atom that has mass and a neutral charge
5. carbon dioxide
7. a substance made when two or more atoms have been chemically joined
8. anything that has mass and takes up space
9. particle found in the nucleus of an atom that has mass and a positive charge
10. a state/phase of matter in which the volume and shape of the substance does not change
11. a state/phase of matter in which the volume and shape changes
13. changing the state/phase of matter from a liquid to a gas by adding energy
14. a kind of reaction that changes natural materials into new products
16. the smallest unit of matter
17. the center of an atom that has most of the mass and contains protons and neutrons
20. a substance made of two or more different elements