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Calculation of Atomic Weight from Isotopic Composition

Learners examine the method for calculating the atomic weight of copper from the natural percent composition of each of its two isotopes.

Subjects:

Chemistry

Keywords:

Chemical elements Atomic weights Copper

Resource Type:

Others
Video

Conversion Between Mass and Moles of an Element (Screencast)

Atomic weights are used to convert the mass of a sample into the number of moles of the element in the sample and vice versa. Four examples are provided for practice.

Subjects:

Chemistry

Keywords:

Mole (Chemistry) Chemical elements Atomic weights

Resource Type:

Video
Others

Atomic Weight

Learners read the definition of atomic weight and obtain the weights of elements by viewing the Periodic Table and charts that list atomic weights by name or symbol.

Subjects:

Chemistry

Keywords:

Periodic table of the elements Chemical elements Atomic weights

Resource Type:

Others

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