10 January, 2011

Activity 2 1-10-11

What is Atomic Mass?
                Total mass of an element. The weight of the protons, neutrons and electrons combined.

What is a dozen?
                 12 of something.

What is a case?
                An instance or an occurrence of something.

What is a gross?
                A dozen dozen. 144 of something.

What is a mole?
                 A unit of measure. 6.02 x 10^23.

How many planet earths are needed to have a mole of people?
                100 trillion earth populations. More specifically 100,333,333,333,333 earth populations. You take a mole and divide it by the population of earth. (6.02 x 10^23) / (6 x 10^9)

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