Periodic Trends
Pre-Test
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TIME REMAINING
10
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59:03
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Which explains the change in ionization energy that occurs between removing the first and second electrons from an
atom?
O The ionization energy decreases because the ratio of the protons to electrons increases.
The ionization energy increases because the ratio of the protons to electrons increases.
O The ionization energy decreases because the ratio of the protons to electrons decreases.
O The ionization energy increases because the ratio of the protons to electrons decreases.
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?
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