Across
- 4. Any object or substance that has mass and take up space
- 5. Matter that cannot be changed into a form by any simple physical or chemical ordinary process
- 6. Matter having definite shape and a definite volume
- 8. An atom or group of atoms having an electric charge as a result of losing or gaining one or more electrons
- 10. The idea stating that all matter is made of tiny particles which are in constant motion
- 11. Two or more chemically bonded atoms in the smallest part of a compound having all the properties of the compound
- 13. A mixture in which the components are not evenly mixed so that different parts of the mixture have different substances
- 16. A substance made of two or more chemically combined elements
- 17. A subatomic particle with a positive charge located in the nucleus of an atom
- 18. Matter having definite volume but not definite shape and fluid
- 19. A subatomic particle located in an atom's nucleus that has no electric change and that has a mass similar to that of a proton
Down
- 1. A mixture in which the components are evenly mixed so that every part of the mixture is the same as any other
- 2. The smallest particle of an element with all the properties of the element that can combine with other atoms to form a molecule
- 3. A subatomic particle with a negative change located outside of an atom's nucleus
- 7. having definite volume but not definite shape a fluid
- 9. The central region of an atom where neutrons and protons are located
- 10. A change in a substances physical properties but not in its chemical identity
- 12. Change in the chemical identity of a substance
- 14. Atoms of the same element that have different numbers of neutrons and therefore different atomic masses
- 15. The fourth phase of matter having unique properties and formed at very high temperatures