Question

answer in one word

1. the state of matter which is hard and rigid
2. the smallest unit of matter which can exists independently
3. the distance between the molecules of a substance
4. the temperature at which a solid melts or changes into it's liquid state
5. the amount of heat required by a substance to changes it's state of matter without any changes in the temperature​

Answer 1

Answer:

1.Solids

2.atom

3.molecular distance.

4.melting point

5.heat of vaporization