Atomic Structure

Front

What is Atomic Mass?

Back

The measure of the total number of protons and neutrons in an atom's nucleus.

Front

How many neutrons does Chlorine have?

Back

Chlorine has 18 neutrons.

Tags

NGSS.MS-PS1-1

Front

What are protons?

Back

Subatomic particles with a positive charge found in the nucleus of an atom.

Front

What is the Nucleus of an atom?

Back

A tiny, dense, positively charged portion of the atom that holds most of the atomic mass.

Front

What is the atomic mass of Arsenic?

Back

The atomic mass of Arsenic is 75.

Front

What are Neutrons?

Back

Subatomic particles with no charge that are found in the nucleus of an atom.

Front

What is an Electron?

Back

A subatomic particle with a negative charge that orbits the nucleus of an atom.

Front

What is the Atomic Number?

Back

The number of protons in the nucleus of an atom, which determines the element.

Front

What are Isotopes?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

Tags

NGSS.HS-PS1-8

Front

What is the Electron Cloud?

Back

The region around the nucleus where electrons are likely to be found.

Tags

NGSS.HS-PS1-2