Which of the following is not a group found in a protein? carboxyl group l group r group amino group

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

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.

What is the empirical formula for c4h8o2