The atomic number of hydrogen is
The atomic number of hydrogen is
Past Papers:
Board of Revenue (BoR) — Past Paper MCQs
BoR Naib Tehsildar — Past Paper MCQs
PPSC Past Paper MCQs (2005–2025)
A: 01
B: 02
C: 03
D: 04
Hydrogen is the simplest and lightest element with atomic number 1. This means its nucleus contains only one proton. Hydrogen makes up the majority of matter in the universe and is the key element in stars. It is widely used in industries energy research and in fuel cell technologies.