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When a physical change in a sample occurs, which of the following does NOT change? A. shape B. temperature C. volume D. composition
Weegy: D. composition does change in a physical change sample (More)
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Expert Answered
Updated 7/4/2013 1:39:24 PM
1 Answer/Comment
When a physical change in a sample occurs, COMPOSITION does not change.
Added 7/4/2013 1:39:24 PM
Which statement about subatomic particles is true? A. Protons, neutrons, and electrons all have about the same mass. B. Unlike protons or neutrons, electrons have no mass. C. Neutrons have no charge and no mass. D. An electron has far less mass than either a proton or neutron.
Weegy: Answer is D.An electron has far less mass than either a proton or neutron-statement about subatomic particles is true. (More)
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Asked 7/4/2013 2:03:43 PM
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