Isotopes of hydrogen include:
AMg, Al, Si
BArgon, helium, neon
CProtium, deuterium, tritium
DH+, H, H- in the standard view
Answer & Solution
Correct answer: C. Protium, deuterium, tritium
1. Hydrogen has three naturally occurring isotopes.
2. Protium has 0 neutrons, deuterium has 1 neutron, tritium has 2 neutrons.
3. All share atomic number 1.
4. So the isotopes are protium, deuterium and tritium.
_Source: Selina Concise Chemistry ICSE Class 9, Ch 4 'Atomic Structure'_
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