Atoms Atoms Atoms

Front

What is an atom?

Back

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

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Front

What are the three main subatomic particles?

Back

The three main subatomic particles are protons, neutrons, and electrons.

Front

What charge does a proton have?

Back

A proton has a positive charge.

Front

What charge does an electron have?

Back

An electron has a negative charge.

Tags

NGSS.MS-PS2-5

Front

What charge does a neutron have?

Back

A neutron has no charge (it is neutral).

Front

What is the chemical symbol for Oxygen?

Back

The chemical symbol for Oxygen is O.

Front

How many protons are in a Hydrogen atom?

Back

A Hydrogen atom has 1 proton.

Front

What is the chemical formula for water?

Back

The chemical formula for water is H2O.

Tags

NGSS.MS-PS1-1

Front

How many atoms of Hydrogen are in H2O?

Back

There are 2 atoms of Hydrogen in H2O.

Tags

NGSS.MS-PS1-1

Front

What is the nucleus of an atom?

Back

The nucleus is the center of an atom, containing protons and neutrons.