The answer is 75.2. Hope this helps! Plus here is proof from a calculators calculations.
The most abundant element in the Sun and in the stars are hydrogen and helium. Like most of the stars, there is a spontaneous radioactive reaction happening in the Sun. Hydrogen is transformed into Helium. As long as the stars are young, the most abundant element is hydrogen.
True...............................
The reaction between sodium
and chlorine is NaCl which is physical change