Protons, Neutrons, Electrons, Atomic Weight, Atomic Mass, Periodic Table

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Measure mainly of the nuclear particles: protons + neutrons

• Subatomic Particles
• Atomic Number
• Atomic Mass
• Gluons

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-8

Value representing the number of protons in an element

• Atomic Mass
• Mass Number
• Valence Electrons
• Atomic Number

Tags

NGSS.HS-PS1-7

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

The smallest particle of an element that shows all the properties of that element.

• Subatomic Particles
• Atom
• Quarks
• Gluons

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

• Electron Shells
• Orbitals
• Electron Cloud
• Nucleus

Tags

NGSS.HS-PS1-8

Discovered the neutron within the atom

• Democritus
• Thomson
• Rutherford
• Chadwick

Calculation used to find the number of neutrons in an atom

• Atomic Mass - Atomic Number
• Atomic Number - Atomic Mass
• Atomic Mass - Electrons
• none of these

A proton is a _____ charged particle.

• Negatively
• Positively

Tags

NGSS.MS-PS2-3