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9.
A student drops a ball from 5 feet above the ground. After bouncing once, it only...
Chemistry, 04.02.2021 17:30, hugbug5063
9 of 16
9.
A student drops a ball from 5 feet above the ground. After bouncing once, it only reaches
a maximum height of 4 feet above the ground.
Use energy terms to explain why the ball did not reach its original height after bouncing
once.
A. Some energy was lost
B. Some energy was transferred to the floor and air
C. Some energy disappeared when it hit the floor
D. Some energy was destroyed
Answers: 1
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Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base
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Using the periodic table, complete the table to describe each atom. type in your answers
Answers: 3
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Consider the elements bromine and chlorine; which elements has a larger ionic radius ?
Answers: 1
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