Atomic Basics

What is the nucleus? 

• The center (middle) of the atom
• The outside electron cloud
• The area inside the electron charge
• The positive or negative charge of the atom 

Tags

NGSS.MS-PS1-1

What two sub-atomic particles are inside the nucleus of the atom? 

• Protons and Electrons
• Electrons and Neutrons
• Protons and Nucleus 
• Protons and Neutrons 

Tags

NGSS.MS-PS1-1

Which sub-atomic particle is OUTSIDE the nucleus of the atom? 

• Electron
• Neutron
• Proton
• Nucleus 

Tags

NGSS.MS-PS1-1

Which sub-atomic particle is the smallest?

• Electron
• Neutron
• Proton
• Nucleus 

Tags

NGSS.MS-PS1-1

Which sub-atomic particle is the largest?

• Electron
• Neutron
• Proton
• Protons and Neutrons are equal

Tags

NGSS.MS-PS1-1

What two particles make up the ATOMIC MASS of an element? 

• Protons and Neutrons
• Protons and Electrons
• Electrons and Nucleus
• Electrons and Neutrons

Tags

NGSS.MS-PS1-1

Which particle makes up the ATOMIC NUMBER of an element? 

• Protons
• Electrons
• Protons and Neutrons
• Neutrons

Tags

NGSS.MS-PS1-1

What does the term "sub-atomic" mean? 

• A substance "inside or within" the atom
• A substance "outside" the atom 
• A substance "eaten by" the atom
• A substance "larger than" the atom

Tags

NGSS.MS-PS1-1

What charge is an electron? 

• Positive
• Negative
• Neutral
• Positive or Negative 

What charge is an proton? 

• Positive
• Negative
• Neutral
• Positive or Negative