Atoms, Elements, and Fusion

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

True or False? Neutrons have a negative charge

• True
• False

Tags

NGSS.HS-PS1-8

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

• Proton
• Neutron
• Electron
• Quark

Most of the mass in an atom is concentrated in the...

• electrons
• nucleus
• protons
• empty space

The particles that are found in the nucleus of an atom are

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

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

Matter always has mass.

• true
• false

What is the smallest?

• worm
• molecule
• galaxy
• atom