Which statement is true about the radii of Na and Na+? They have the same radius.
Na+ has a larger atomic radius than Na.
Na has a larger atomic radius than Na+.
It is impossible to know which has a larger radius.

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.

Why is retrograde motion an apparent motion

Salt in oceans comes from and of rocks