Multiple ChoiceWhich of the following is the number of protons in a neutral atom of terbium (Tb)?43views
Multiple ChoiceWhat is the smallest unit of an element that still retains the properties of that element?119views
Multiple ChoiceWhich of the following statements correctly describes the number of protons in an atom?45views
Multiple ChoiceA mystery element has 18 protons. Which one of the following statements is true about the element?49views
Multiple ChoiceAn atom contains 6 protons, 6 neutrons, and 6 electrons. What is the total charge of this atom?54views
Multiple ChoiceWhich of the following best describes the difference between an oxygen molecule and an ozone molecule?26views
Multiple ChoiceWhat is the smallest unit of an element that still retains the properties of the element?176views