Protons, Neutrons and Electrons

What is the mass of a proton?

• 0.5 amu

• 0.00054 amu

• 1 amu

• 2 amu

What is the mass of an electron?

• 0.5 amu

• 0.00054 amu

• 1 amu

• 2 amu

What is the mass of a neutron?

• 0.5 amu

• 0.00054 amu

• 1 amu

• 2 amu

Tags

NGSS.HS-PS1-8

What is the charge of a proton?

• 0

• +1

• -1

What is the charge of an electron?

• 0

• +1

• -1

Tags

NGSS.MS-PS2-3

What is the charge of a neutron?

• 0

• +1

• -1

Where are protons found in an atom?

• in the nucleus

• outside the nucleus

Tags

NGSS.MS-PS1-1

Where are electrons found in an atom?

• in the nucleus

• outside the nucleus

Tags

NGSS.MS-PS1-1

Where are neutrons found in an atom?

• in the nucleus

• outside the nucleus

Tags

NGSS.MS-PS1-1

The number of protons in an atom ALWAYS equals the

• atomic number

• mass number

• mass number minus atomic number

• number of electrons

Tags

NGSS.MS-PS1-1