What is the physical state of each of these materials at room temperature?
a. gold
b. gas...
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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5
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Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²
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