Which of these is NOT a cation? A) K+

B) Mg2+

C) NH4+

D) Cl-

An atomic nucleus is composed ofa)protons. b)protons and neutrons. c)protons and electrons. d)protons, neutrons, and electrons.

Amedication is given at a dosage of 3.000 mg of medication per kg of body weight. if 0.1500 g of medication is given, then what was the patient's weight in pounds (lbs)? there are 453.59g in 1 lb.

How many grams of iron can be made from 16.5 grams of fe2o3