Question

composition of the nuclei of two atomic species x and y are given as under :
x y
protons = 6 6
neutrons = 6 8
give the mass of X and y. what is the relation between the two
species?​

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.

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Answer 2

Answer:

both x and y are have same masses