Chemistry, 30.03.2021 22:40 daijahamaker062816
What is the mass of oxygen required to make 108g of water ?
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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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What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m
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What is the mass of oxygen required to make 108g of water ?...
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