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(b) Symbol represents ........(c) Symbolic expression for a molecule is called......... radical.(d) Sodium chloride has two radicals. Sodium is a............ radical while chloride is a ..........(e) Valency of phosphorus in PCI, is .......... and in PCI, is........(f) Valency of Iron in FeCl, is ............ and in FeCl, it is(g) Formula of iron (III) carbonate is |
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