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What is valency of 1s^2 2s^2 2p^6 3s^2 ?...

What is valency of `1s^2 2s^2 2p^6 3s^2` ?

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Electronic configuration of an element is 1s^2 2s^2 2p^6 3s^2 3p^6 3d^5 4s^1 . It belongs to

What is the electronic configuration of Ca ? 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 (Ar)4s^2 (Ne) 3s^2 3p^6 4s^2 1s^2 2s^2 2p^6 3s^2 5s^2 3p^6

Given the electronic configuration of element 1s^2 2s^2 2p^6 3s^2 3p^3 Which are the elements coming in the same group ?

Given below is the electronic configuration of element. 1s^2 2s^2 2p^6 3s^2 . Which are the elements coming in the same group ?

Two elements A and B have the following electronic configurations. The formula of the compound formed between them can be A=1s^2 2s^2 2p^6 3s^2 3p^1 , B=1s^2 2s^2 2p^4

The electronic configuration of metal 'M' is 1s^2 2s^2 2p^6 3s^2 3p^6 4s ^1 and non- metal X is 1s^2 2s^2 2p^6 3s^2 3p^5 . The formula of ionic compound formed between these two elements is

The electronic configuration of an element 'X', is 1s^2 2s^2 2p^6 3s^2 3p^3 ? What is the atomic number of the element which is just below 'Xin the periodic table

An element with 1s^2 2s^2 2p^6 3s^2 electronic arrangement will be forming

If the electronic configurations of atoms A and B are 1s^2 , 2s^2 , 2p^6 , 3s^2 , 3p^1 ' and 1s^2 , 2s^2 , 2p^4 respectively, then What is the molecular formula of the compound formed by atoms A and B ?

Element with electronic configuration: 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 5s^2 5p^3 belongs to the ____period of periodic table

VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE
  1. Given below is the electronic configuration of elements A,B,C,D: (A) 1...

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  2. 1s^2 2s^2 is the electronic configuration of which element?

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  3. What is valency of 1s^2 2s^2 2p^6 3s^2 ?

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  4. Which pair of elements belongs to the same group ? (atomic numbers are...

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  5. To which group and period does the element 'D' belong ?

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  6. S- block and p - block elements except 18 th group elements a...

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  7. The electronic configuration of the elements, X, Y and Z are given bel...

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  8. The electronic configuration of the elements X , Y , and Z are ...

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  9. The electronic configuration of the elements, X, Y and Z are given bel...

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  10. State the number of valence electrons , the group number and ...

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  11. State whether the following elements belong to a Group (G ) , Pe...

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  12. Identify the element that has the larger atomic radius in eac...

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  13. Identify the elements that has the lower ionization energy in e...

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  14. How does metallic character change when we move Down a group...

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  15. How does metallic character change when we move Down a group...

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  16. On the basis of atomic numbers predict to which block the ele...

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  17. Using the periodic table , predict the formula of compound form...

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  18. An element has atomic number 19. where would you expect thi...

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  19. How do the positions of elements in the periodic table help you...

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  20. In period 2 element X is to the right of element Y . Then , ...

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