Electricity: Atoms and Charges

What is the formal charge on an electron?

• Negative

• Positive

• Neutral

What is the formal charge on neutron?

• Negative

• Positive

• Neutral

What is the formal charge on a proton?

• Negative

• Positive

• Neutral

What is an anion?

• An atom with a negative charge?

• An atom with a positive charge.

• An atom with a neutral charge

What is a cation?

• An atom with a negative charge?

• An atom with a positive charge.

• An atom with a neutral charge

What is an anion?

• An atom that has gained extra electrons from another atom.

• An atom that has lost electrons to another atom.

• An atom that has gained extra protons from another atom.

• An atom that has lost protons to another atom.

What is a cation?

• An atom that has gained extra electrons from another atom.

• An atom that has lost electrons to another atom.

• An atom that has gained extra protons from another atom.

• An atom that has lost protons to another atom.

Which types of elements are conductors of electricity?

• Metals

• Nonmetals

• Semiconductors

• Noble Gases

Which types of elements are natural insulators of electricity?

• Metals

• Nonmetals

• Semiconductors

• Noble Gases

Which element is the best conductor of electricity?

• Silver

• Gold

• Copper

• Zinc