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What is the mass number of Deuterium?

  1. A
    1
  2. B
    2
  3. C
    3
  4. D
    4

Solution & Step-by-step Explanation

Deuterium (
2
H) is one of the stable isotopes of hydrogen. It contains 1 proton and 1 neutron in its nucleus, making its mass number (A) equal to 2.

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What is the mass number of Deuterium?
A
1
B
2
C
3
D
4

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