Question

The formation of the centers of the X, Y, and Z atomic species is as follows.
X Y Z
Protons 3 6 7
Neutrons 4 6 7
Calculate (i) Atomic number(ii) mass number.Of X, Y, and Z

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

atomic number 3,4

mass of X = 3+4 = 7

mass of Y = 6+6=12

mass of Z = 7+7 = 14