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

Where electrons are likely to be found as they travel around the nucleus

• Nucleus
• Electron Cloud
• Within a Proton
• Within a Neutron

Arrangement of elements organized by atomic number

• Electron Cloud 
• Periodic Table 
• Electron Configuration
• None of these

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Where is the nucleus located in an atom?

• Near the electron shells/levels
• Near the center of an atom

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

How many protons does this atom have?

• 3
• 6
• 4
• 2

Tags

NGSS.MS-PS1-1

How many electrons does this picture show?

• 4
• 5
• 6
• 3

Tags

NGSS.MS-PS1-1