How will atom get full energy level?
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Chemistry, 22.06.2019 06:30
Three cards with holes are arranged in a straight line. a light is shined through the first cardβs hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
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Chemistry, 22.06.2019 08:30
In the reaction between a crushed antacid tablet and vinegar what gas is emitted
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Chemistry, 23.06.2019 00:00
The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?
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