Test Bank for Human Biology 12th Edition Mader All Chapters 2023

Test Bank for Human Biology 12th Edition Mader All Chapters 2023. How many elements occur naturally? A. 11 2 B. 9 2 C. 6 4 D. 3 2 E. 6 5. The atomic number of an atom is determined by the number of A. proton s. B. neutron s. C. electron s. D. protons and neutrons. E. protons and electrons. True / False Questions 6. An element cannot be broken down by chemical means. True False Multiple Choice Questions 7. Why is He over Ne in the periodic table? (Refer to Figure 2.1) A. They both have the same atomic mass. B. They both have the same number of electrons in their outermost orbital. C. They both have a full outermost orbital. D. They both have the same atomic number. E. They both have the same number of protons in their nuclei.