Atoms and Molecules

Front

What is the charge of a neutron?

Back

A neutron has no charge.

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

What is an element?

Back

An element is a substance that is made up of only one type of atom.

Front

What is an example of an element?

Back

Gold is an example of an element.

Front

What is the name of the chart used to look up information about elements?

Back

The Periodic Table of Elements.

Front

What are protons and neutrons collectively known as?

Back

Protons and neutrons are collectively known as the nucleus of an atom.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

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

Back

The number of protons in an atom is determined by its atomic number.

Front

What is the mass of a neutron compared to a proton?

Back

A neutron has a mass approximately equal to that of a proton.

Front

What is the role of electrons in an atom?

Back

Electrons are responsible for chemical bonding and reactions.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2