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How many 's' subshell electrons are pres...

How many 's' subshell electrons are present in `1s^2, 2s^2, 2p^6, 3s^2, 3p^2`

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6 electrons
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The electronic configuration of the elements are given below. A- 1s^2 2s^2 2p^6 3s^2 3p^4 B- 1s^2 2s^2 2p^6 3s^2 C- 1s^2 2s^2 2p^6 3s^2 3p^5 D- 1s^2 2s^2 2p^6 3s^1 Which is the period number of the elem-ent A? What is the basis of your find-ings?

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The electronic configuration of the eleme-nts, A,B,C,D are given below. 1s^2 2s^2 2p^6 3s^2 3p^4 , 1s^2 2s^2 2p^6 3s^2 , 1s^2 2s^2 2p^6 3s^2 3p^5 , 1s^2 2s^2 2p^6 3s^1 Which of these elements can form basic oxides?

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Complete the following: ……………. = 1s^2 2s^2 2p^6 3s^2 3p^3

V PUBLICATION-PERIODIC TABLE AND ELECTRONIC CONFIGURATION-QUESTION BANK
  1. Find the relation and fill the blanks. M shell : s, p, d subshells ...

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  2. Which one of the following belongs to the f block elements? (Non met...

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  3. How many 's' subshell electrons are present in 1s^2, 2s^2, 2p^6, 3s^2,...

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  4. Choose the correct statement from the following. a) Zn is the least ...

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  5. Find the oxidation state of iron in FeCl3.

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  6. The atomic number of an element is 20. Then write its subshell electro...

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  7. ......... block includes metals and nonmetals.

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  8. The atomic number of an element is 23. Write the subshell electronic c...

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  9. CuCl and CuCl2 are the two different chlorides of copper. a) Find th...

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  10. Choose the incorrect statement which is suitable to 'd' block elements...

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  11. The atomic number of two elements are given below. Si-14 Ni-28: Write ...

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  12. Subshell elctronic configuration of an element 'X' is given. 1s^2 2s...

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  13. FeCl2 and FeCl3 are two compounds of iron a) Findout the oxidation s...

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  14. The characteristics of some elements are given below. Classify it as s...

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  15. a) Write the electronic configuration of chromium Cr24 and copper b)...

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  16. A part of periodic table is given a) Which element has low ionizatio...

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  17. The last electron of an element is filled in the 3d^2 subshell. Then f...

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  18. The subshell electronic configuration of some elements are given below...

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  19. An atom has three shells and there is 6 electrons in the outermost sub...

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  20. a) write the name of any two transition elements. b) Transition elem...

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