Sample X has 10 protons, 11 neutrons and 10 electrons. Sample Y has 12 protons, 12 neutrons and 12 electrons. Are these two samples isotopes of one another? Explain how you know.

Are either of these two samples ions? Which one(s)? Explain how you know.

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.

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts

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