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InterviewSolution
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Name or state the following with reference to the elements of the modern periodic table.1.The metals present in period 3 and the non-metals present in period 2. 2. The group whose elements have zero valency. 3. The non-metal in period 3 having a valency 14. The formula of the hydroxide of the element having electronic configuration 2, 8, 2.5. The formula of the hydride of the halogen in period 3. |
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Answer» 1. Metals present in period 3 are Na, Mg and Al. Non-metals present in period 2 are C, N, O and F. 2. Inert gases i.e. Group 18 3.The non-metal in period 3 having a valency 1. 4.Mg (OH)2 5. HCl |
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