Question

Molecule

1.a form of a substance, whether gas, liquid, or solid; ice is the solid phase of water
2.the smallest part of a substance into which it can be divided and still have the properties of that substance
3.the density of a substance compared to water
4.amount of matter in an object
5.taken from other sources; computed based upon other facts

Answer 1

6. a combination of two or more atoms held together by chemical bonds, representing the smallest fundamental unit of a chemical compound that can participate in a chemical reaction