Question

Which among the following is not an Isotope of Hydrogen?

• A. Protium
• B. Deuterium
• C. Tritium
• D. Curium

Answer 1

Answer:

D. Curium

• Isotopes are defined as the atoms of the same element, having the same atomic number but different mass number.
• Isotopes of Hydrogen are:
• Protium (Z=1, A=1)
• Deuterium (Z=1, A=2),
• Tritium (Z=1, A=3)