Atoms and Molecules

Front

What is the charge of an electron?

Back

Negative charge.

Tags

NGSS.MS-PS2-3

Front

Which atom is the simplest?

Back

Hydrogen.

Front

How many atoms make up a molecule?

Back

Two or more.

Tags

NGSS.MS-PS1-1

Front

How much smaller are atoms compared to the width of a hair?

Back

Atoms are more than 10,000 times smaller.

Front

What is the charge of a neutron?

Back

No charge.

Front

What is an atom?

Back

The basic unit of a chemical element.

Tags

NGSS.MS-PS1-1

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Tags

NGSS.MS-PS1-1

Front

What subatomic particle has a positive charge?

Back

Proton.

Front

What is the nucleus of an atom?

Back

The central part of an atom, containing protons and neutrons.

Tags

NGSS.MS-PS1-1

Front

What is the difference between an atom and a molecule?

Back

An atom is a single unit, while a molecule is made up of two or more atoms.

Tags

NGSS.MS-PS1-1