What is an isotope?
a.
a form of an element with a different number of electrons
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Stage in which a star’s outer layers have started to cool and grow outward?
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Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
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Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.
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Witch two conditions can limit the usefulness of the kinetic molecular theory in describing gas behavior?
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