What did Rutherford discover that Thomson did not understand? A. That atoms were too small to affect alpha particles
B. That electrons were much smaller than alpha particles
C. That an atom's electrons took up as much space as its nucleus
D. That most of an atom's mass was packed in a central nucleus

What is the formula that this ionic compounds could form sr2+p3-o2-

Me i dont know what to do! 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.

How many molecules are in 6.0 moles of methane