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Use Lewis symbols to show electron transfer between the following atoms to form cations and anions: Ca and O

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प्रश्न

Use Lewis symbols to show electron transfer between the following atoms to form cations and anions:

Ca and O

थोडक्यात उत्तर
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उत्तर १

Ca and O:

The electronic configurations of Ca and O are as follows:

Ca: 2, 8, 8, 2

O: 2, 6

Oxygen requires two electrons more to complete its octet, whereas calcium has two electrons more than the nearest noble gas i.e., Argon. Hence, the electron transfer takes place as:

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उत्तर २

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पाठ 4: Chemical Bonding and Molecular Structure - EXERCISES [पृष्ठ १३४]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 11
पाठ 4 Chemical Bonding and Molecular Structure
EXERCISES | Q 4.14 - (b) | पृष्ठ १३४

संबंधित प्रश्‍न

Use Lewis symbols to show electron transfer between the following atoms to form cations and anions:-

K and S


Use Lewis symbols to show electron transfer between the following atoms to form cations and anions:

Al and N


Draw Lewis dot diagram for the following.

Hydrogen (H2)


Draw Lewis dot diagram for the following.

Water (H2O)


Draw Lewis electron dot structure of HF


Draw Lewis electron dot structure of C2H4


Draw Lewis electron dot structure of SO2


Explain in brief with one example of an ionic bond.


Explain in brief with one example of a covalent bond


Explain in brief with one example of coordinate bond


Answer in one sentence:

Covalent bond is directional in nature. Justify.


____________ is an example of molecule with expanded octet.


In which of the following, the central atom does NOT have lone pair(s) of electrons?


Which of the following molecule does not obey octet rule?


What is the formal charge on hydrogen atom in water molecule?


Which of the following molecule does not obey octet rule?


Match the items given in Column I with examples given in Column II.

Column I Column II
(i) Hydrogen bond (a) \[\ce{C}\]
(ii) Resonance (b) \[\ce{LiF}\]
(iii) Ionic solid (c) \[\ce{H2}\]
(iv) Covalent solid (d) \[\ce{HF}\]
  (e) \[\ce{O3}\]

Assertion (A): Sodium chloride formed by the action of chlorine gas on sodium metal is a stable compound.

Reason (R): This is because sodium and chloride ions acquire octet in sodium chloride formation.


What is the formal charge present on the oxygen atom (numbered 1) in the Lewis structure of CO2?

\[\ce{^\bullet_\bullet {\ce{O}} ≡ C - \overset{\bullet\bullet}{\underset{\bullet\bullet}{O^\bullet_\bullet}}}\]


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