Atomic Structure

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Tags

NGSS.MS-PS2-3

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Tags

NGSS.HS-PS1-8

Value representing the number of protons in an element

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

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

Tags

NGSS.MS-PS1-1

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

Calculation used to find the number of neutrons in an atom

• Atomic Mass - Atomic Number
• Atomic Number - Atomic Mass
• Atomic Mass - Electrons
• Neutrons - Atomic Mass

True or False - Protons and Neutrons have about the same mass.

• True - They have about the same mass
• False - They do not have about the same mass

Which two subatomic particles make up the nucleus of an atom?

• Protons and Electrons
• Neutrons and Electrons
• Electrons and Protons
• Protons and Neutrons

Tags

NGSS.MS-PS1-1

Where are the Electrons found in the structure of an atom?

• In the nucleus
• Around the nucleus

Tags

NGSS.MS-PS1-1