Please hel The Periodic Table is arranged by properties:metals (mostly to the of table,) metalloids(along the , and nonmetals) ( mostly to the of table) . It is also arranged by chemical properties, including reactivity. Elements in the same vertical group have the same number of electrons, and elements in the same horizontal period have the same number of shells.
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Chemistry, 22.06.2019 08:00
Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.
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Chemistry, 22.06.2019 08:20
What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5
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