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Aheterogeneous mixture is one that has a completely uniform composition. true or fasle
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An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?
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Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)
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What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
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Aheterogeneous mixture is one that has a completely uniform composition. true or fasle...
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