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Write electronic configuration of elemen...

Write electronic configuration of element `underset(17)overset(35)""T`.
What is the valency of T ?

Text Solution

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`{:(,K,L,M),("Electronic configuration =",2,8,7):}`
Valency of T=1
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ICSE-THE PERIODIC TABLE -TOPIC 1 Modern Periodic Table and its Periodicity (5 Marks Questions )
  1. Write electronic configuration of element underset(17)overset(35)""T....

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  2. Write electronic configuration of element underset(17)overset(35)""T....

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  3. Write electronic configuration of element underset(17)overset(35)""T....

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  4. Mention the part of group where the elements show: Highest metallic c...

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  5. Mention the part of group where the elements show: Big atomic size

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  6. How valency of elements changes : Along the period from left to right

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  7. How valency of elements changes : Down the group from top the bottom

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  8. Name the metalloid present in second period

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  9. For elements ""19^39X Write electronic configuration

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  10. For elements ""19^39X What is the group number

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  11. For elements ""19^39X What is the period number

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  12. For elements ""19^39X Number of valence electrons

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  13. For elements ""19^39X Valency of X

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  14. An elements P has atomic no. 13. Write its electronic configuration

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  15. An elements P has atomic no. 13. State the group to which it belong...

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  16. An elements P has atomic no. 13. Elements P is metal or non-metal ?

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  17. An elements P has atomic no. 13. Write the formula of its oxide

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  18. Name the scientist who proposed modern periodic law

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  19. Name first element of period 7

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  20. As we move down the group, the atomic size increases or decreases ?

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