Properties of Matter Vocabulary

What composes any physical substance?

What is the smallest unit of an element?

What is the basic building block of physical matter and cannot be broken down to a simpler substance?

What is a single unit of a compound or group of elements bonded together?

What is the name of the chart that organizes chemical elements that compose all matter called? (listed by atomic number and related groups)

Which state of matter is composed of tightly packed molecules, resulting in a firm substance?

Which state of matter is composed of freely moving molecules that do not usually separate?

Which state of matter is composed of freely moving molecules capable of indefinite expansion?

What is it called when one state of matter changes to another?

What is the name for characteristics of a substance that can be measured without changing them chemically? These stay the same not matter how much of the substance you have.