Atomic Structure

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Tags

NGSS.MS-PS2-3

subatomic particles found on the outermost shell & responsible for the atom's reactivity

• neutrons
• valence electrons
• isotopes
• ions

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

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

Tags

NGSS.MS-PS1-1

The nucleus of an atom is made of

• electrons and protons
• electrons and neutrons
• protons and neutrons
• empty space

Tags

NGSS.MS-PS1-1

Outside the nucleus of an atom are these

• protons
• neutrons
• quarks
• electrons

The mass of this particle is so small that it is not counted.

• proton
• electron
• neutron
• quark

Subatomic particle with a charge of +1

• neutron
• electron
• proton
• quark