A substance made of atoms that are all the same. They are chemically pure substances that cannot be broken down is a.........

Any of the basic units of matter and energy (as a molecule, atom, proton, electron, or photon) is a..............

What happens if a substance/thing cannot be divided?

A particle smaller than an atom (e.g., a neutron) is a........

The atom's center, which contains a cluster of protons and neutrons is a.......

A force of attraction that holds atoms together in a molecule is a......

Different types of atoms can bond together to make molecules. The smallest unit of a compound is a.....

The basic unit of a chemical element. (They make up everything) is called......

States that each type of matter is made of only one type of atom is a.......

A subatomic particle with a negative charge found in the electron cloud surrounding the nucleus of an atom is a......

A subatomic particle of about the same mass as a proton but without an electric charge is also found in the nucleus of an atom is a......

Parts of a solution do not combine completely is......

A mixture whose parts combine uniformly throughout is......

Two or more kinds of atoms chemically bonded is a.....

Two or more elements or compounds physically together is a.......

What are examples of Elements?

What are examples of compounds?

What are examples or mixtures? (Heterogeneous)

What are examples of mixtures? (Homogeneous)