Matter Make-Up

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What is an atom?

Back

An atom is the smallest unit of an element that retains the properties of that element.

Front

What is a molecule?

Back

A molecule is the smallest particle of a compound that still has the properties of that compound.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What are metals?

Back

Metals are elements that are good conductors of heat and electricity.

Front

What are nonmetals?

Back

Nonmetals are elements that are poor conductors of heat and electricity.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

Who proposed the atomic theory?

Back

John Dalton proposed the atomic theory, which states that all matter is made up of atoms.

Front

What is the periodic table?

Back

The periodic table is a chart that organizes all known elements by their atomic number and properties.