Atom Basics

What is the nucleus?

• Area that contains the mass 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

Which of the following pairs of sub-atomic particles are inside the nucleus of the atom?

• Protons and Electrons

• Electrons and Neutrons

• Protons and Nucleus

• Protons and Neutrons

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

• Electron
• Neutron
• Proton
• Nucleus 

Which sub-atomic particle is the smallest?

• Electron
• Neutron
• Proton
• Nucleus 

Which sub-atomic particle has the largest mass?

• Electron

• Neutron

• Proton

• Protons and Neutrons are equal in mass

Tags

NGSS.MS-PS1-1

What two particles make up the ATOMIC MASS (Mass Number) 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 charge is an electron? 

• Positive
• Negative
• Neutral
• Positive or Negative 

Tags

NGSS.MS-PS2-3

What charge is an proton? 

• Positive
• Negative
• Neutral
• Positive or Negative 

Tags

NGSS.MS-PS1-1

What is the electron? 

• A negatively charged particle outside the nucleus 
• A positively charged particle inside the nucleus 
• A particle without a charge inside the nucleus 
• A positively charged particle outside the nucleus 

Tags

NGSS.MS-PS1-1