Question

____ 1. Atoms composed of the same numbers of protons and electrons, but different numbers of neutrons, are called a. isomers. c. isotopes. b. ions. d. organic atoms. ____ 2. Substances that dissolve in water include all of the following except a. lipids. c. proteins. b. glucose. d. salts.

Answer 1

1. Isotopes 2. Lipids

Step-by-step explanation:

1. Isotopes are atoms of the same element that have an equal number of protons but different numbers of neutrons. Example includes; C∧12, C∧13 and C∧14 for Carbon, H∧1 , H∧2 and H∧3 for Hydrogen.

2. Lipids are organic compounds that includes fats and oils, waxes, phospholipids, and steroids. They are non-polar molecules and thus do not interact appreciably with water.