4. The radius of the nucleus of an oxygen - 16 atom is approximately 3.0 fm (femtometers, 1 m = 1015 fm). The radius of the atom is 66 pm. %3D a. Calculate the volume of the nucleus in pm. b. Calculate the volume of the atom in pm'. c. Here is some evidence that matter is mostly empty space! What percentage of the oxygen atom's volume is occupied by the nucleus?

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Chapter2: Atoms And Molecules
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4. The radius of the nucleus of an oxygen - 16 atom is approximately 3.0 fm (femtometers, 1 m = 1015 fm). The radius of
the atom is 66 pm.
%3D
a. Calculate the volume of the nucleus in pm?.
b. Calculate the volume of the atom in pm'.
c. Here is some evidence that matter is mostly empty space! What percentage of the oxygen atom's volume is
occupied by the nucleus?
1
5. Potassium nitrate decomposes to produce potassium oxide, nitrogen gas and oxygen gas. Write and balance the
equation below:
How many grams of oxygen are formed when 58.6 g of potassium nitrate decomposes according
the reaction above?
Transcribed Image Text:4. The radius of the nucleus of an oxygen - 16 atom is approximately 3.0 fm (femtometers, 1 m = 1015 fm). The radius of the atom is 66 pm. %3D a. Calculate the volume of the nucleus in pm?. b. Calculate the volume of the atom in pm'. c. Here is some evidence that matter is mostly empty space! What percentage of the oxygen atom's volume is occupied by the nucleus? 1 5. Potassium nitrate decomposes to produce potassium oxide, nitrogen gas and oxygen gas. Write and balance the equation below: How many grams of oxygen are formed when 58.6 g of potassium nitrate decomposes according the reaction above?
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