What structure of the earth that cover the mantle and is the hard outer shell, the surface on which we are living.​

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.

Can someone me with questions 15 to 17 plz.

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.