how can we check valency
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you can find valency using the octet rule
further, you can take help from periodic table
further, you can take help from periodic table
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The valency of an atom is equal to the number of electrons in the outer shell if that number is four or less. Otherwise, the valency is equal to eight minus the number of electrons in the outer shell. Once you know the number of electrons, you can easily calculate the valency.
the photo of my periodic table will help u
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the photo of my periodic table will help u
mark my answer the brainliest!!!!!
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