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Chemistry, 20.06.2019 18:04
In which of the following belong to a category called the main group of elements? nonmetals. transition elements. halogens. alkali metals. it can be more than one answer!
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Geothermal energy for industrial use is available almost anywhere. a.true b.false
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Give the location of the elements found in the periodic table which have the same number valence ele...
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