What if you discovered avrogadro's number was not 6.02x10^23 but 3.01x10^23 would this affect the relative masses given on the periodic table? If so, how?, if not, why not?

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.