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In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

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.

Which factor is likely to impact the possible number of compounds ?