According to the experiments of Ernest Rutherford, where can a majority of a given atom's mass be found?
A) scattered randomly throughout an approximately cube-shaped atom
B) at the center of an approximately spherical atom
C) in concentric layers of spherical shape
D) as small pieces orbiting a common center in circular paths
Question 2
The Colorado River water in Colorado has a salinity of about . By the time this water passes into Mexico its salinity has increased to about . How many milligrams of salts have been added to each liter of water?
A) 95 milligrams have been added to each liter of water.
B) 950 milligrams have been added to each liter of water.
C) 9500 milligrams have been added to each liter of water.
D) 9.5 milligrams have been added to each liter of water.
Wilson and Simberloff's experiments on the equilibrium model of biogeography.
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Chemical equilibrium and the law of mass action.
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The Bohr model of the atom. The nucleus contains protons and neutrons, and electrons orbit around ...