BIO 2870 FUNDAMENTALS OF ANATOMY AND PHYSIOLOGY 8TH EDITION CH 2

BIO 2870 FUNDAMENTALS OF ANATOMY AND PHYSIOLOGY 8TH EDITION CH 2 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The smallest stable units of matter are 1) A) molecules. B) neutrons. C) protons. D) atoms. E) electrons. 2) The "atomic number" of an atom is determined by the number of A) protons B) protons + electrons C) protons + neutrons D) electrons E) neutrons it has. 2) 3) The "atomic weight" of an atom reflects the average number of 3) A) protons + neutrons + electrons. B) protons. C) neutrons. D) protons + neutrons. E) electrons. 4) One mole of any element has the same 4) A) number of electrons. B) weight. C) mass. D) number of atoms. E) All of the answers are correct. 5) The nucleus of an atom consists of 5) A) protons. B) protons + electrons. C) neutrons. D) protons + neutrons. E) electrons. 6) Isotopes of an element differ in the number of 6) A) electrons in the nucleus. B) neutrons in the nucleus. C) protons in the nucleus. D) electrons in energy shells. E) electron clouds.