Use the periodic table to select the element that best fits each of the following descriptions. Noble gas:
O oxygen
O chlorine
Okrypton

Krypton

Because it’s on the table...??

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.

The answer is c) pyrite