By losing one valence electron, a sodium atom achieves the same electron arrangement as an atom of

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !