Element with electronegativity value 3.5 hydride nature
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see attachment, here it is clear the electronegativity value of oxygen atom is 3.5
oxygen forms Hydride compound. actually, configuration of oxygen atom = 1s²,2s²,2p⁴
hence, number of valence electrons = 6
so, valency of oxygen atom = 2
hence, oxygen Hydride is H2O ,off course oxygen Hydride is water. water is most important compound in earth life. it shows Hydrogen bond , that's why in solid state density of ice is lower than water.
oxygen forms Hydride compound. actually, configuration of oxygen atom = 1s²,2s²,2p⁴
hence, number of valence electrons = 6
so, valency of oxygen atom = 2
hence, oxygen Hydride is H2O ,off course oxygen Hydride is water. water is most important compound in earth life. it shows Hydrogen bond , that's why in solid state density of ice is lower than water.
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