Question

What happens when a particle of matter meets its corresponding antiparticle of antimatter?

A) They can form a complete atom. B) The combined mass of the two particles is completely transformed into energy (photons). C) They fuse to make a heavier particle. D) The question makes no sense, since antimatter does not really exist.

Answer 1

The correct answer is B) the combined mass of two particles is completely transformed into energy (photons).