What is matter composed of?

• Cells
• Atoms

Tags

NGSS.MS-PS1-1

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

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.MS-PS1-1

True or False? Neutrons have a negative charge

• True
• False

Tags

NGSS.HS-PS1-8

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

electrons have this type of charge?

• negative
• positive
• neutral

What does the nucleus consist of?

• Protons + Electrons
• Neutrons + Electrons
• Atoms
• Protons + Neutrons

Tags

NGSS.MS-PS1-1

Atoms make up, what?

• Everything living and nonliving
• Energy

Tags

NGSS.MS-PS1-1

A part of the atom that has a negative charge is?

• Proton
• electron
• neutron

The part of the atom that is moving around the nucleus is called?

• electron
• neutron
• proton

If an atom has 3 electrons, how many protons does it have?

• 1
• 2
• 4
• 3

Tags

NGSS.MS-PS1-1