Which is an example of the practical pursuit of alchemy? a. developing metalworking techniques

b. transforming base metals

c. linking spiritual characteristics with material substances

d. forming perfect substances

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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.