Structure of Matter

Front

What are the three particles that make up an atom?

Back

Electrons, Neutrons, Protons

Front

What determines which element an atom is?

Back

Atomic number

Front

What is the center of the atom made up of protons and neutrons called?

Back

Nucleus

Front

What is the smallest unit that retains the chemical properties of an element?

Back

Atom

Front

What is a substance that consists of only one type of atom?

Back

Pure element

Front

What is a substance made of two or more different elements that are chemically bonded?

Back

Compound

Front

What is a mixture of two or more substances that are not chemically combined?

Back

Mixture

Front

What is the term for the number of protons in the nucleus of an atom?

Back

Atomic number

Front

What is the term for the average mass of an atom of an element, taking into account the relative abundance of its isotopes?

Back

Atomic mass

Front

What is the term for atoms of the same element that have different numbers of neutrons?

Back

Isotopes