Multiple ChoiceAn isotope of titanium is represented as 48Ti. How many protons does this isotope of titanium have?29views
Multiple ChoiceIf the natural abundance of Br-79 is 50.69%, what is the natural abundance of Br-81?27views
Multiple ChoiceWhich of the following is the correct isotope symbol for an atom containing 20 protons and 22 neutrons?33views
Multiple ChoiceTwo atoms that are isotopes of one another must have a different number of which subatomic particle?23views
Multiple ChoiceAn atom has an atomic number of 25 and a mass number of 55. How many neutrons are present in its nucleus?15views
Multiple ChoiceWhich of the following correctly represents the isotope of carbon with 6 protons and 8 neutrons in isotope notation?23views
Multiple ChoiceHow many neutrons are present in the nucleus of a germanium (Ge) atom with a mass number of 73?36views
Multiple ChoiceWhich of the following factors directly affects the average atomic mass of an element that exists as a mixture of isotopes?27views
Multiple ChoiceA lithium atom has an atomic number of 3 and a mass number of 7. How many neutrons are in this lithium atom?250views
Multiple ChoiceHow many neutrons are in a typical atom of sodium (Na) with an atomic number of 11 and an atomic mass of 23?155views