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Which of the following can gain 2 electr...

Which of the following can gain 2 electrons ?

A

`P`

B

`S`

C

`Cl`

D

Above all

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VGS PUBLICATION-BRILLIANT-CHEMICAL BONDING-EXERCISE
  1. Guess the atom with two valence electrons and it does not form any bon...

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  2. By losing an electron a neutral sodium atom becomes:

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  3. Which of the following can gain 2 electrons ?

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  4. What happens if a chlorine atom attracts a sodium atom ?i) They form i...

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  5. Predict the atom which can loss three electrons

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  6. If there is no lone pair electrons in H2O molecule, the angle of H2O i...

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  7. 02: Double bond :: :triple bond.

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  8. The compound which contains both ionic and covalent bonds is

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  9. Nacl : ionic :: :covalent.

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  10. The electronic configuration of metal 'M' is 1s^22s^22p^63s^2 3p^6 4s ...

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  11. When sodium reacts with chlorine.

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  12. An element reacts with oxygen to give a compound with a high melting p...

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  13. If the formula of carbonate of a metal M is M2CO3 then the formula of ...

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  14. The charge on a cation 'M' is +2 and anion 'A' is -3. The compound for...

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  15. X ---rarr 2, 8, 1 and X^+---rarr 2, 8. The 'X' can formbond.

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  16. Valencies of the elements of the group IA, IIA, VIIA and VIII A are r...

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  17. Na, Mg, Al, N, O, F, Ne are given. Which one is more stable ?

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  18. 15P= 2, 8, 5, 16S = 2, 8, 6,17Cl = 2, 8, 7.Which of the above atoms ca...

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  19. An electronic configuration of an atom is 2, 8, 7. The valency of the ...

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  20. Which one is different among ?i) Nacl, ii)MgCl2, iii)HCl, iv)Na2O

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