Parts of the Atom Exit Slip (2025)

The two particles found inside the nucleus of an atom are _____

• Protons and Neutrons

• Electrons and Neutrons

• 
  Protons and Electrons

• 
  Positive Electrons and Negative Electrons

Outside the nucleus of an atom, there are _____

• Electrons

• Neutrons

• 
  Protons

• Croutons

Protons are the _____-charged particles in an atom

• Positively

• Negatively

• Neutral

Electrons are the _____-charged particles in an atom

• Positively

• Negatively

• Neutral

Most of the mass (>99%) of an atom is made up of _____

• Protons and Neutrons

• Electrons

• Protons

• Neutrons

Tags

NGSS.MS-PS1-1

In a neutral, stable atom - the number of protons is always _____

• 
  Equal to the number of electrons

• Equal to the number of neutrons

• Double the number of neutrons

• Half the number of electrons