What are the valencies of metalloids( boron, silicon, germanium, arsenic, antimony and tellurium)?
valency of boron = 3
valency of silicon = 4
valency of germanium = 4
valency of arsenic = 5
valency of antomonyn = 5
valency of tellurium = 5
valency of boron = 3
valency of silicon = 4
valency of germanium = 4
valency of arsenic = 5
valency of antomonyn = 5
valency of tellurium = 5