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An ion has a net charge of 3+. if this ion has 8 protons, how many electrons does it have? a. 3 b. 5 c. 7 d. 8 e. 11
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Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.
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Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c
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The movement of tectonic plates and in two locations is described below: location a: tectonic played push together location b: tectonic plates push apart
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If 15 drops of ethanol from a medicine dropper weigh 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? density of ethanol is ethanol is 0.80g/ml.
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An ion has a net charge of 3+. if this ion has 8 protons, how many electrons does it have? a. 3 b...
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