Chemistry

1. change of one substance to another
4. The temperature point when the solid starts to liquefy.
5. the breaking or forming of bonds between molecules or atoms, making at least one new substance
10. change in size, shape, or state.
12. Particles in an atom with no charge.
14. the distortion of a negatively charged ion's electron cloud by a positively charged ion.
15. Characteristic of a substance that indicates whether it can undergo a chemical change.
17. chemical bond that involves sharing electrons to form electron pairs between atoms.
18. particles in an atom with a negative charge

2. mixture in which the composition is uniform throughout the mixture
3. the basic unit of a chemical element.
6. type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound
7. the electrons in the outermost shell, or energy level, of an atom.
8. The resistance to flow by a fluid.
9. If all the atoms in the stance have the same identity it becomes
10. characteristics of a material you can observe without changing the identity.
11. mixture in which the composition is not uniform throughout the mixture
13. a homogenous mixture of two or more substances in relative amounts
14. Particles in an atom with a positive charge.
16. lasting attraction between atoms or ions that enables the formation of molecules, crystals, and other structures