Atomic number
Tested in 4 real MPSC questions across 1 year (2022–2022). See it in context on the interactive Concept Graph →
Years it was asked
What you need to know first
Periodic table basicsBasic subatomic particlesStructure of atomDefinition of atomic numberProtons and neutrons
What mastering this unlocks
Isoelectronic speciesSubatomic particles countingElectronic configurationShell structure (K, L, M, N)
Real questions that test this
ट्रीटियमचा अणुक्रमांक ______ आहे. An atomic number of Tritium is ______
1)03
2)04
3)02
4)01✓ Correct
Tritium is an isotope of hydrogen. All isotopes of an element share the same atomic number, which is 1 for hydrogen (Protium, Deuterium, and Tritium all have atomic number 1).