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An atom of an element contains 20 protons, 20 neutrons, and 20 electrons. This element is in Group *
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Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble
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Chemistry, 22.06.2019 04:50
Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?
Answers: 1
An atom of an element contains 20 protons, 20 neutrons, and 20 electrons. This element is in Group *...
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