Atomic Structure

This subatomic particle has basically no mass

• protons
• neutrons
• electrons
• protons and neutrons

Neutrons have this type of charge

• positive
• negative
• neutral - no charge

The center of an atom is known as the

• nucleus
• electron cloud
• neutron cloud

These particles have a mass of 1 amu

• protons and neutrons
• protons and electrons
• neutrons and electrons

Protons have this type of charge

• positive
• negative
• neutral - no charge

The atomic number of an atom is the number of 

• protons in its electron cloud
• protons in its nucleus
• neutrons in its nucleus
• electrons and neutrons in the nucleus

Tags

NGSS.HS-PS1-7

All matter is made of what?

• energy 
• atoms 
• volume
• compounds 

Tags

NGSS.HS-PS1-7

An atom with atomic number 6 would have how many protons?

• 6
• 12
• 3
• cannot be determined 

Electrons have this type of charge

• positive
• negative
• neutral - no charge

A particle that orbits around the nucleus is a(n)...

• Proton
• Neutron
• Electron
• Quark