A silver coin rubs vigorously against a wool cloth.

becomes positively charged. Which statements are true?

The silver coin lost electrons.

The silver coin gained electrons.

The wool cloth lost electrons.

The wool cloth gained protons.

The wool cloth lost protons.

The silver coin ost electrons

Explanation:

Protons are positive and electrons are negative so when the neutral coin rubbed up against the wool cloth and it became positive, it no longer has an equal amount of electrons and protons. So it lost it's negative charge, therefore it lost electrons.