Multiple ChoiceElement m has two naturally occurring isotopes: m-10 (10.01 amu, 19.6% abundance) and m-11 (11.01 amu, 80.4% abundance). What is the average atomic mass (in amu) of element m?19views
Multiple ChoiceWhich nonmetallic element in period 3 of the periodic table has an atomic mass closest to 32?37views
Multiple ChoiceWhich of the following values is closest to the mass of a single carbon-12 atom?21views
Multiple ChoiceWhich of the following is closest to the mass of a single atom of lithium (Li) in grams?17views
Multiple ChoiceWhich of the following is the number of protons found in a neutral atom of silver (Ag)?17views
Multiple ChoiceWhat is the mass number of an ion that has 105 electrons, 157 neutrons, and a +1 charge?18views
Multiple ChoiceThe average atomic mass of aluminum is 26.98 amu. Which statement is true about the mass of individual aluminum atoms?30views
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?11views