1.

Consideringthe atomicnumberand positionin theperiodicarrange the followingelements in theincreasingorder tometalliccharacter:Si, Be, Mg, Na, P

Answer»

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Solution :Arrangingthe elements intodifferentgroupsand periods in orderof theirincreasingnumberwe have.

We knowthat themetalliccharacterincreasesdown agroupandalonga periodas wemove fromleftto right. THEREFORE, Na is themostmetallicelementfollowedby Mg and Si, WhileP is theleast metallicelement. AmongBe andMg , Mg is moremetallicthan Be. thereforethe overall increasing ORDER to metalliccharacter is `P LT Si lt Be lt Mg lt Na`


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