Students set up the stream table you see here. The original set-up resulted in a slightly meandering stream you see here. Water flows from a hole in the bottom of the vessel at one end of the stream table. Several students wondered what would happen if the hole
was enlarged. Students observed ALL BUT ONE of the following with this change.
es )
A)
Increased erosion at the outer bends.
B)
Increased rate of flow.
Deeper stream channel forms.
D)
Less sediment carried down the bed.

The atomic radius of sodium is 186 pm and of chlorine is 100 pm. the ionic radius for na+ is 102 pm and for cl– is 181 pm. in going from na to cl in period 3, why does the atomic radius decrease while the ionic radius increases? a. the inner electrons in the sodium cation shield its valence electrons more effectively than the inner electrons in the chloride anion do. b. the inner electrons shield the valence electrons more effectively in the chlorine atom than in the chloride anion. c. the outermost electrons in chloride experience a smaller effective nuclear charge than those in the sodium cation do. d. the outermost electrons in chloride experience a larger effective nuclear charge than those in the sodium cation do. e. monatomic ions are bigger than the atoms from which they are formed.

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How many grams of aluminum will there be in 98g of al2o3?