H) In an experiment, a student counts 3.01 x 10^23 atoms of two different elements (A and B). Element A has a mass of 20.1 g and element B has a mass of 54.0 g.

i) If you had one atom of each, which would be the heaviest?

ii) How many moles of atoms were counted?

iii) Calculate the molar mass (g/mole) of each element.
iv) Using the periodic table, identify each element.

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explanation:

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.