An atom of "anti- hydrogen" would be made of
A) a high- frequency photon and a low- frequency photon.
B) an anti- proton and a muon.
C) a proton and a positron.
D) a positron and an electron.
E) an anti- proton and a positron.

Question

Quizplus · Accepted Answer

An anti-hydrogen atom is composed of an anti-proton and a positron, which are the antimatter counterparts of a proton and an electron, respectively.

An Atom of "Anti- Hydrogen" Would Be Made of