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प्रश्न
Give two example in following case:
Gaseous polar covalent compound.
Give an example in the following case:
Gaseous polar covalent compound.
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उत्तर
- Hydrogen chloride
- Water vapour
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संबंधित प्रश्न
State the reason to explain why covalent compounds "are bad conductors of electricity".
Choose the correct answer from the options given below:
Which of the following is a common characteristic of a covalent compound?
1) high melting point
2) consists of molecules
3) always soluble in water
4) Conducts electricity when it is in the molten state
Name the element whose one of the allotropic forms is buckminsterfullerene.
Buckminsterfullerene is spherical molecule in which 60 carbon atoms are arranged in interlocking hexagonal and pentagonal rings of carbon atoms.
How many pentagons of carbon atoms are present in one molecule of buckminsterfullerene?
Of what substance is graphite made?
The electronic configurations of three elements X, Y and Z are as follows:
| X | 2, 4 |
| Y | 2, 7 |
| Z | 2, 1 |
- Which two elements will combine to form an ionic compound?
- Which two elements will react to form a covalent compound?
Give reasons for your choice.
Give the characteristic properties of covalent compounds.
Give two example in following case:
Solid covalent compounds
The electronic configuration of N2 is 2, 5. How many electrons in the outer shell of a N atom are not involved in the formation of a nitrogen molecule?
Considering MgCl2 as ionic compound and CH4 as covalent compound give any two differences between these two compounds.
