The valency of oxygen is 2 (Give scientific reason)
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The valency of oxygen is 2 (Give scientific reason)
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there is need to be atmost 2 electrons are present in first shell of an atom . and in second shell there are 8 electrons are needed to form stable octate. but oxygen only have 6 electrons in 2nd shell.so,oxygen needs 2 electrons to complete its octate. HENCE,THE VALENCY OF OXYGEN IS TWO.
Answer:
because the number of atoms in it's last shell are 2