Multiple ChoiceWhat is the mass number of an ion that has 105 electrons, 157 neutrons, and a +1 charge?49views
Multiple ChoiceThe average atomic mass of aluminum is 26.98 amu. Which statement is true about the mass of individual aluminum atoms?71views
Multiple ChoiceOn a planet where titanium exists as two isotopes, Ti-46 (mass = 45.95 u, abundance = 60%) and Ti-48 (mass = 47.95 u, abundance = 40%), what is the average atomic mass of titanium on that planet?32views
Multiple ChoiceWhich of the following is closest to the average atomic mass of phosphorus (P) as listed on the periodic table?64views
Multiple ChoiceWhich of the following best describes what the whole numbers on the periodic table represent?50views
Multiple ChoiceWhat is the atomic mass of the isotope of manganese (Mn) that contains 28 neutrons?54views
Multiple ChoiceWhich three types of information are required to calculate the average atomic mass of an element?54views