Atoms and Molecules

Front

What chart should you reference to lookup information about elements?

Back

Periodic Table of Elements

Front

This subatomic particle of an atom has a NEGATIVE charge.

Back

Electron

Front

Which of these is the simplest atom?

Back

Hydrogen

Front

This subatomic particle of an atom has a POSITIVE charge.

Back

Proton

Front

Atoms are more than ________ times smaller than the width of a hair.

Back

10,000

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What are molecules?

Back

Two or more atoms bonded together.

Front

What is the charge of a neutron?

Back

Neutral (no charge).

Front

What is the smallest unit of an element?

Back

Atom.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.