Atoms (unit 3)

The smallest unit of an element that maintains the properties of that element

• proton

• atomic mass unit

• electron

• atom

Tags

NGSS.MS-PS1-1

A subatomic particle that has a positive charge and that is found in the nucleus of an atom

• proton

• neutron

• electron

• nucleus

A subatomic particle that has no charge and is found in the nucleus of an atom

• proton

• neutron

• electron

• nucleus

A subatomic particle that has a negative charge. It is found around the nucleus of an atom.

• protons

• neutrons

• electrons

• nucleus

A region around a nucleus of an atom where electrons are likely to be found

• atomic mass

• nucleus

• electron cloud

• neutrons

The number of protons in the nucleus of an atom; it's the same for all atoms of an element

• Atomic Mass Unit (AMU)

• Atomic Number

• Mass number

• Atomic Mass

A unit of mass that describes the mass of an atom or molecule

• Atomic number

• Atomic Mass Unit (AMU)

• Mass number

• Atomic mass

The sum of the number of protons and neutrons in the nucleus of an atom

• Atomic Mass Unit (AMU)

• Atomic Number

• Atomic Mass

• Mass Number

Three basic parts of an atom are

• protons, nucleus, electrons

• protons, clouds, neutrons

• protons, neutrons, electrons

• electrons, clouds, mass

Tags

NGSS.MS-PS1-1

To find the atomic mass of an atom,

• add protons + neutrons

• add protons + electrons

• subtract mass number - atomic number

• subtract protons - electrons

Tags

NGSS.MS-PS1-1