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Test your knowledge on family groups and isotopes with questions about elements, metals, and atomic mass units. Identify family groups and understand the concept of isotopes with this quiz.
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“Subatomic Heavyweights” 8. What does A.M.U. stand for? 9. How many protons are in an atom of Cobalt-60? 10. What is an isotope? (short answer)
11) What changes between different isotopes of the same element? A) The neutrons B) The protons C) The electrons D) The average atomic mass
Answer Key • Alkali Metals • Alkaline Earth Metals • Transition Metals • Halogens • The Noble Gases • Metals • Nonmetals • Atomic Mass Units 9) 27 protons 10)Isotopes occur when an element's atoms exist with different numbers of neutrons. 11) A) Neutrons