The statement best describes the illustration is Hydrogen has a valence of 1 and oxygen has a valence of 2. The correct option is C.
What is valence electron?
The valence electrons are the electrons which are required by an element or atom to become completely stable either by gaining or losing electrons.
In hydrogen, it has 1 electron in outer shell and it looses this electron to become stable. The valence of hydrogen is 1.
In oxygen, there are 6 electrons in its second orbit. It needs 2 more electrons to become stable. So, it gains electrons and its valence is 2.
Thus, the correct option is C.
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