What is the mass of a proton?

• 1 u

• 0 u

• 2 u

What is the mass of a neutron?

• 1 u

• 0 u

• 2 u

What is the mass of an electron?

• 1 u

• 0 u

• 2 u

Where is the proton located?

• In the nucleus

• Outside of the nucleus in the energy shells

• Outside of the nucleus in empty space

Where is the neutron located?

• In the nucleus

• Outside of the nucleus in the energy shells

• Outside of the nucleus in empty space

Tags

NGSS.HS-PS1-8

Where is the electron located?

• In the nucleus

• Outside of the nucleus in the energy shells

• Outside of the nucleus in empty space

What is the charge of a proton?

• +1

• -1

• 0

What is the charge of a neutron?

• +1

• -1

• 0

What is the charge of an electron?

• +1

• -1

• 0

What does atomic number equal to?

• number of protons only

• number of electrons only

• number of protons = number of electrons