ATOMS: protons, neutrons, & electrons

Front

What is matter composed of one type of atom called?

Back

Element

Front

What are the two main parts of an atom?

Back

Nucleus and electron cloud

Front

What is the sum of protons and neutrons in an atom called?

Back

Mass number

Front

What is formed by atoms of different elements bonded together?

Back

Compounds

Tags

NGSS.MS-PS1-1

Front

What charge does the nucleus of an atom have?

Back

Positive

Front

What are protons and neutrons collectively known as?

Back

Nucleons

Front

What is the charge of an electron?

Back

Negative

Front

Where are electrons located in an atom?

Back

In the electron cloud surrounding the nucleus

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom

Front

How do you determine the number of neutrons in an atom?

Back

Subtract the atomic number from the mass number