Give one example of each : (a) Metal having valency 2. (b) Non-metal – InterviewSolution

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1.	Give one example of each : (a) Metal having valency 2. (b) Non-metal having valency 2. (c) Element with three shells, having 4 electrons in the outermost shell.
Answer» Solution :(a) Magnesium has a valency of 2. (B) SULPHUR has a valency of 2. (c) Silicon has three SHELLS having 4 electrons in the outermost shell (2, 8, 4).

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