Multiple Choice
Which element was originally used as the standard for determining atomic weights?
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2. Atoms & Elements
Atomic Mass
Back2. Atoms & Elements
Atomic Mass
- Multiple ChoiceWhich of the following is closest to the atomic mass of helium?33views
- Multiple ChoiceIf oxygen has an atomic mass of 16, how many grams of oxygen are present in 1 mole of oxygen atoms?35views
- Multiple ChoiceWhich of the following is closest to the atomic mass of barium (Ba)?34views
- Multiple ChoiceWhich statement best describes the atomic weight of an element?34views
- Multiple ChoiceIf the atomic weight of nitrogen is 14.0, what is the mass of 2 moles of nitrogen atoms?21views
- Multiple ChoiceWhich of the following best describes the atomic mass unit (amu)?26views
- Multiple ChoiceWhat is the mass number of an atom with 5 protons and 7 neutrons?264views
- Multiple ChoiceBased on the information in the figure, what is the atomic number of chlorine?26views
- Multiple ChoiceWhich of the following is the atomic mass of manganese (Mn)?27views
- Multiple ChoiceWhat is the mass number of a typical helium atom?28views
- Multiple ChoiceA dalton is a unit used to express which of the following quantities?34views
- Multiple ChoiceElement M has two naturally occurring isotopes: M-24 (abundance: 78.99%, mass: 23.985 amu) and M-25 (abundance: 21.01%, mass: 24.986 amu). What is the average atomic mass (in amu) of element M?25views
- Multiple ChoiceLithium has two naturally occurring isotopes: lithium-6 (mass = 6.015 u, abundance = 4%) and lithium-7 (mass = 7.016 u, abundance = 96%). What is the average atomic mass of lithium?35views
- Multiple ChoiceWhat is the mass number of the most abundant isotope of the element copper (Cu)?27views