Atoms and Molecules Flashcard

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is the charge of a proton?

Back

+1

Front

What are the three subatomic particles that make up an atom?

Back

Protons, neutrons, and electrons.

Front

What is the atomic number of an element?

Back

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

Front

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

Back

Atom.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What is the difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is made up of two or more atoms.

Front

What is a neutron?

Back

A neutron is a subatomic particle found in the nucleus of an atom that has no charge.

Front

What is an electron?

Back

An electron is a negatively charged subatomic particle that orbits the nucleus of an atom.

Front

What is a compound?

Back

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