What is a positron?
A) The nucleus of a helium atom
B) A positive electron
C) The nucleus of a hydrogen atom
D) A chargeless,massless particle

Question

Quizplus · Accepted Answer

A positron is a particle with the same mass as an electron but with a positive charge. It is often referred to as a positive electron. Option A is incorrect as the nucleus of a helium atom is made up of protons and neutrons. Option C is incorrect as the nucleus of a hydrogen atom only contains one proton with no positron. Option D is incorrect as a positron has mass and charge.

What Is a Positron