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प्रश्न
Write Lewis symbols for the following atoms and ions H and H–.
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उत्तर १
H and H–
The number of valence electrons in hydrogen is 1.
The Lewis dot symbol of hydrogen (H) is 
The uninegative charge infers that there will be one electron more in addition to the one valence electron. Hence, the Lewis dot symbol is 
उत्तर २
`""_1"H" = 1` ∴ Lewis symbol = 
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संबंधित प्रश्न
Explain the Formation of a Chemical Bond.
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 dot diagram for the following.
Carbon dioxide (CO2)
Draw Lewis dot diagram for the following.
Lifthium Fluoride (LiF)
Draw Lewis electron dot structure of HF
Draw Lewis electron dot structure of C2H4
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.
Which of the following is INCORRECT with respect to enthalpy?
In which of the following, the central atom does NOT have lone pair(s) of electrons?
The condensed electronic configuration [Ne] 3s2 3p5 denotes the element ____________.
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.
