Atomic Structure Vocabulary

Number equals the number of protons in an atom.

All the electrons in an atom have the lowest possible energies.

Match the following:

• The total number of protons and neutrons

• Element

• The basic unit of all matter.

• Atom

• A pure substance in its simplest form

• Atomic Number

• The number of protons in an atom.

• Atomic Mass

• The outside area of an atom for electron

• Electron Cloud

Tags

NGSS.MS-PS1-1

Match the following

• Electrons on the last Energy Level

• Valence Electron

• Located in nucleus, 1 AMU, (+)

• Proton

• Located on Electron Cloud, 0 AMU, (-)

• Subatomic Particle

• The three parts that make up an atom-PEN

• Electron

• Located in nucleus, 1 AMU, (0)

• Neutron

the basic building block of matter that make up everyday objects

• Nucleus

• protons

• atom

• electrons

Tags

NGSS.MS-PS1-1

the center of an atom that contains the protons and neutrons

• electron cloud

• nucleus

• protons

• neutrons

the area around the nucleus of an atom where electrons are found

• electron cloud

• nucleus

• protons

• neutrons

positive charged subatomic particles found in the nucleus

• electrons

• nucleus

• protons

• neutrons

neutral charged subatomic particles found in the nucleus

• electrons

• nucleus

• protons

• neutrons

the electrons on the outer shell of an atom that are involved in forming bonds

• electrons

• valence electrons

• electron cloud

• neutrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2