Quiz: Electric Charge and Current

What is the electric charge of a neutron?

• Neutral

• Positive

• Negative

• Variable

How does an atom become a positive ion?

• By having more protons than electrons

• By having more electrons than protons

• By having equal protons and electrons

• By losing all neutrons

What happens when an atom has an equal number of protons and electrons?

• It has no overall charge

• It becomes a positive ion

• It becomes a negative ion

• It becomes unstable

Electric charge is a property of atoms and subatomic particles that helps determine the amount of __________.

• charge

• nuclear energy

• electric energy

• nuclear force

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Match the subatomic particle with it's corresponding letter on the diagram.

• B

• Neutron

• A

• Proton

• C

• Electron

Tags

NGSS.MS-PS1-1

What is the overall charge of an atom with eight protons and seven electrons?

• +1

• -1

• 0

• +2

How does an atom become negatively charged?

• By gaining electrons

• By losing electrons

• By gaining protons

• By losing protons

What happens to the charge of an atom if it has an equal number of protons and electrons?

• The charge is neutral

• The charge is positive

• The charge is negative

• The charge is +1

Why does the balloon have an overall positive charge?

• It has more positively charged ions

• It has more negatively charged ions

• It has an equal number of positive and negative ions

• It has lost electrons

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the charge of an atom with eight protons and nine electrons?

• -1

• +1

• 0

• -2