46. The long form of periodic table was developed by

1. 1. Bohr

   
   
   

   2. Mendeleey

   
   
   

   3. Range and Werner

   
   
   

   4. Rutherford

   
   
   

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   NA

   Correct Option: C

   NA

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47. The properties of elements of Mendeleev's periodic law were the periodic functions of their

1. 1. Atomic number

   
   
   

   2. Atomic weight

   
   
   

   3. Mass of the atom

   
   
   

   4. Shape of the atom

   
   
   

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   NA

   Correct Option: B

   NA

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48. Which one of the following electronic configurations exhibits metallic character ?

1. 1. 2, 7

   
   
   

   2. 2, 8, 2

   
   
   

   3. 2, 8, 4

   
   
   

   4. 2, 8, 8

   
   
   

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   NA

   Correct Option: B

   NA

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49. In the following four elements, the ionidation potential of which one is the highest ?

1. 1. Argon

   
   
   

   2. Barium

   
   
   

   3. Cesiu,

   
   
   

   4. Oxygen

   
   
   

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   NA

   Correct Option: A

   NA

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50. Which of the following properties occurs in alkali metals ?

1. 1. Highest ionisation energy

   
   
   

   2. Largest atomic radil

   
   
   

   3. Highest density

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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