Chemistry Review

Front

What is the atomic number of an atom?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the basic unit of matter?

Back

The basic unit of matter is the atom.

Front

Where are protons and neutrons found in an atom?

Back

Protons and neutrons are found in the nucleus of an atom.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

What is the charge of a proton?

Back

Protons have a positive charge.

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 ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

What type of bond forms when electrons are transferred from one atom to another?

Back

An ionic bond forms when electrons are transferred between atoms.

Front

What type of bond forms when atoms share electrons?

Back

A covalent bond forms when atoms share electrons.

Front

What is a molecule?

Back

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