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If both A and R is true and R is correct explanation of A mark 1.If both A and R is true but R is not correct explanation of A mark 2.If A is true but R is false mark 3.If R is true but A is false mark 4.A: Nitrogen is a non metal.R:Nitrogen has 5 valence electrons.

Answer» If both A and R is true and R is correct explanation of A mark 1.
If both A and R is true but R is not correct explanation of A mark 2.
If A is true but R is false mark 3.
If R is true but A is false mark 4.

A: Nitrogen is a non metal.
R:Nitrogen has 5 valence electrons.


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