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Chemistry, 12.10.2020 01:01 vnfrancis3716
A certain compound has a ratio of two atoms of element X for every one atom of element Y. Suppose a sample of element X and a sample of element Y react to form 1 kg of compound X2Y. After the reaction is complete, none of the reactants are left over. Which of the following could NOT be the masses of reactants X and Y?
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Chemistry, 22.06.2019 00:00
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
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Chemistry, 22.06.2019 13:40
Can someone me with 6 to 10 plz this is for masteries test.
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A certain compound has a ratio of two atoms of element X for every one atom of element Y. Suppose a...
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