Consider the three equations below. 14/7N+1/1H—>15/8O 4/2He+4/2He—>8/4Be 28/14Si+7 4/2He—>56/28Ni which statement do these reactions best support?

Because electrons have negligible mass, to account for the mass of the isotope, there must be 16 neutrons, 16 neutrally charged, massive, fundamental particles present in the sulfur nucleus. and thus finally, if we have the 32s2− ion, there are 18 electrons, 16 protons, and 16 neutrons.

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1) according to the law of conservation of mass ,in all chemical reactions total mass is unchanged