Question

What does X represent for this transmutation?

Answer 1

612C

Explanation:

The correct answer is carbon-12: this is a nuclear fusion reaction.

In nuclear reactions, the mass number and the atomic numbers are usually conserved:

                    ⁹₄Be    +    ⁴₂H       ₙᵃX      +    ₀¹n

 conserving atomic number:

     4 + 2 = n + 0

    n = 6

conserving mass number :

     9+4 = a + 1

       a = 12

   therefore X = ¹²₆C

Learn more:

Transmutation brainly.com/question/3433940

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