Fill in the blank with the molar mass of sodium oxide. A link to the periodic table is provided for you. g/mol

What’s the scientific notation for the number 6,840,000,000

Which other elements contain the same number of outer electrons as sodium

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?