An atom is excited when one or more of its electrons

A) vibrates.
B) is boosted into higher energy levels.
C) undergoes a frequency change.
D) becomes frantic.


Answer: B

Physics & Space Science

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An Olympic skier moving at 19.5 m/s down a 17.0° slope encounters a region of wet snow, of coefficient of friction ?k = 0.740 . How far down the slope does she go before stopping?

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Recycling computers is a money-making operation

What will be an ideal response?

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