Question

there are 10 electrons in each species x^2+ and y^3- and the number of neutrons in them are 12,7 respectively find the mass number of both​

Answer 1

Answer:

Atomic mass=number of protons+number of neutrons

Atomic mass of X = 6+6=12

Atomic mass of Y =6+8=14

Both X and Y have same atomic number but different atomic mass number so they are isotopes.

Explanation:

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