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Ques 103 -107( in hindi) (CHEMICAL PERIODICITY)
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This lesson contains question from chemical periodicity.

Manpreet Singh
QUALIFIED NET (CHEMICAL SCIENCES) ..... PRESENTLY WORKING AS AN ASSISTANT PROFESSOR . WANT TO BRING WORLD PEACE THROUGH EDUCATION....

U
Unacademy user
Why vanderwaal radius of lithum lesser than Bromine? Li : 182 pm , Br : 185 pm
Manpreet Singh
a year ago
br vanderwaal is 195
Sarita Yadav
a year ago
182×10*-12is greater than 195×10*-12😊
sir in case of O- if it takes one more electron then it attains noble gas config.
  1. ()d) Na t



  2. Be


  3. CM rd


  4. HAe ollowing tI Li cp


  5. 2, 1, 18, 32,32 /8 At8 17


  6. sould be lond n


  7. IA 732A LiBe 60 0 He 3A 4A 5A 6A 7A>0 F Ne 271-122| >0-141|-328| >0 B C N O NaMgASiP SCl Ar 43134-72-200 -349 >0 53 >0 KCa 48 30 119 -78-195 -325 >0 In SnSbTe 30 .107 .103|-190|-295| Rb Sr IXe 475


  8. He 2372.3 13 14 5 1617 CN OF Ne 1681.0 2080. 800.6 1086.5 14023 1313.9 Al SiP S CI 775 786.5 1011.8 999.6 1251.2 Ar 1520.6 Ga Ge As Se Br Kr 5788 762.2 9445 941.0 1139.9 1350.8 In Sn Sb Te I Xe 558.3 708.6 830.6 869.3 1008.4 1170.3 TI Pb Bi Po At Rn 037.1 5894 715.6 703.0 812.1