Get Started
89

Q:

99.985% of hydrogen atoms have only one proton. What is that called?

  • 1
    Helium
  • 2
    Protium
  • 3
    Electron
  • 4
    None of these
  • Show Answer
  • Workspace

Answer : 2. "Protium"
Explanation :

The most abundant isotope, protium (1H), or light hydrogen, has no neutrons and only one proton and one electron. Protium is stable and makes up 99.985% of naturally occurring hydrogen atoms. The nucleus of deuterium (2H) contains one neutron and one proton.

Previous Next
Basic GK Science GK

The Most Comprehensive Exam Preparation Platform

Get the Examsbook Prep App Today