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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 05:30
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Chemistry, 22.06.2019 06:00
What type of electromagnetic radiation has a shorter wavelength than blue light
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Chemistry, 22.06.2019 09:20
What will most likely happen when two bromine atoms bond together?
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A patient weighs 146 pounds and is to receive a drug at a dosage of 45.0 mg per kg of
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