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Chemistry, 22.06.2019 10:50
An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
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Chemistry, 23.06.2019 03:00
Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?
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Chemistry, 23.06.2019 04:30
Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction
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Chemistry, 23.06.2019 16:30
Amodel of an atom is shown below. which element is represented by this model of an atom? boron, carbon, neon, or sodium?
Answers: 1
briefly explain why you may be asked to set up your calorimeter under a fume hood, instead of the la...
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