Front

What does the '4' tell us in an atom's notation?

Back

The '4' indicates the number of protons in the atom.

Front

Ions are atoms with a ____________

Back

charge.

Front

How many neutrons would a neutral Be atom have?

Back

5 neutrons.

Front

Which subatomic particle is found outside the nucleus?

Back

Electron.

Front

What is the mass of most atoms of oxygen?

Back

16.

Front

Define an atom.

Back

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

Front

What are protons?

Back

Protons are positively charged subatomic particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral subatomic particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged subatomic particles that orbit the nucleus of an atom.

Front

What is atomic number?

Back

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