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Q.4. (a) What property do all elements in the same column of the Periodic Table as boron have in common?
Answers (1)
The same column of the periodic table as boron belongs to the group 13th has 3 valence electrons,
Hence, its valency is 3.
Therefore, all the elements in the same column of the periodic table as Boron will have a valency of 3.
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