THE ATOM 11-2 VOCABULARY

Part of the nucleus that has no electrical charge.

• NEUTRON
• ELECTRON
• ION
• NUCLEUS

Tags

NGSS.HS-PS1-8

Particle found in the nucleus that is positively charged.

• ELECTRON
• NUCLEUS
• PROTON
• ION

Tags

NGSS.HS-PS1-8

Particle with an unequal number of protons and electrons

• NUCLEUS
• PROTON
• NEUTRON
• ION

Negatively charged particle found outside the nucleus

• NUCLEUS
• ELECTRON
• ATOMIC MASS UNIT
• PROTON

Contains most of the mass of an atom

• NUCLEUS
• ELECTRON
• ION
• NEUTRON

Tags

NGSS.HS-PS1-8

SI unit used to express the masses of atomic particles

• NUCLEUS
• ATOMIC MASS UNIT
• ATOMIC NUMBER
• MASS NUMBER

The number of protons in the nucleus of an atom

• MAS NUMBER 
• ATOMIC NUMBER
• ATOMIC MASS
• ION

Tags

NGSS.HS-PS1-7

The weighted average of the masses of all the naturally occurring isotopes of an element

• ATOMIC NUMBER
• MASS NUMBER
• ATOMIC MASS
• ATOMIC MASS UNIT

Tags

NGSS.HS-PS1-8

Holds the electrons around the nucleus

• GRAVITATIONAL FORCE
• ELECTROMAGNETIC FORCE
• STRONG FORCE
• WEAK FORCE

Tags

NGSS.HS-PS2-4

An important force in radioactive atoms

• GRAVITATIONAL FORCE
• ELECTROMAGNETIC FORCE
• STRONG FORCE
• WEAK FORCE

Tags

NGSS.HS-PS1-8