How many atoms are there in 41.7g of tin.(sn)? what is the mass of 2.37•10^22 atoms of xenon(xe) gas?

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What is the number of atoms in 3.54 mol s

Can someone me with questions 15 to 17 plz.