The numbers of protons, electrons and neutrons in a molecule of heavy water are respectively :

Engineering

Chemistry

Isotopes Isobars Isotones Isodiaphers

Question

10, 10, 10

11, 10, 10

8, 10, 11

10, 11, 10

College PredictorLive

Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.

Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA

Heavy water is D₂O hence number of electrons = 2 + 8 = 10

number of protons = 10

Atomic mass of D₂O = 4 + 16 = 20

hence number of neutron = Atomic mass – number of protons = 20 – 10 = 10

Please subscribe our Youtube channel to unlock this solution.