question bank periodic table and periodic properties 1 name the following with reference to the elements of modern periodic table 1 26 a an alkali metal in period 2 ans ...
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...Question bank periodic table and properties name the following with reference to elements of modern a an alkali metal in period ans lithium b halogen chlorine c noble gas having duplet arrangement electrons helium d electronic configuration neon e valency group i one positive or monovalent f number electron shells g metals present sodium magnesium aluminium h non carbon nitrogen oxygen fluorine zero j negative chemistry class x k formula hydride hcl l sulphite element na so m hydroxide mg oh n which does not form oxide argon o least atomic size amongst boron beryllium p from li maximum potassium q nuclear charge r be ca lowest s higher affinity t u most electronegative three v has largest w metallic character y cl ar z highest ionisation potential fill blank spaces appropriate word words periods are horizontal rows seven two valence belongs ii left right remain same across increase by while down subgroup they electropositive electrongative decreases at extreme reactive on unreactive ia...