The first ionization energy of polonium, Po, is 812 kJ/mol. Is the first ionization energy of Tellurium, Te, expected to be greater than, less than, or equal to that of Po? Justify your answer in terms of Coulomb’s law.

Iknow the answer is a but i don't know why

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?