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प्रश्न
Number of valence electrons in carbon is ______.
विकल्प
2
4
3
5
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उत्तर
Number of valence electrons in carbon is 4
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संबंधित प्रश्न
Give electron dot diagram of the following:
Magnesium chloride
Give electron dot diagram of the following:
methane
In term of electron transfer, define
Reduction
How many atoms of each kind are present in the following molecule:
Calcium oxide
State the following is a reduction reaction or oxidation reaction.
\[\ce{A^3+ + e- -> A^2+}\]
Write the formula of its (X)
sulphate
nitrate
phosphate
carbonate
hydroxide.
Give the orbital diagram of the following:
Hydrogen chloride
State the type of bonding in the following molecules.
Calcium oxide
Element M forms a chloride with the formula MCl2 which is solid with a high melting point. What type of bond is in MCl2. Write the formula of the compound when M combines with sulphur, oxygen, and nitrogen.
Complete the following table:
| a. | Dativebond | ______ |
| b. | CaH2 → Ca+H2 | ______ |
| c. | ______ | Reduction |
| d. | ______ | Redox reaction |
