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प्रश्न
Fill in the blank with correct word from the bracket.
Melting and boiling points of covalent compounds are generally ______ (low, high).
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उत्तर
Melting and boiling points of covalent compounds are generally low.
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संबंधित प्रश्न
Write any three features and give two examples of covalent compounds
Name the element whose one of the allotropic forms is buckminsterfullerene.
What do you call the compounds having the same molecular formula but different structural arrangements of atoms?
Using electron-dot diagrams which show only the outermost shell electrons, show how a molecule of nitrogen, N2, is formed from two nitrogen atoms. What name is given to this type of bonding? (Atomic number of nitrogen is 7)
Draw the electron-dot structure of NH3 and state the type of bonding.
Which of the following is a common characteristic of a covalent compound?
State the type of bonding in the following molecule.
Water
Electrons are getting added to an element Y:
which electrode will Y migrate to during the process of electrolysis?
Write scientific reason.
Carbon has the property of forming many compounds.
The table shows the electronic structures of four elements.
| Element | Electronic Structure |
| P | 2, 6 |
| Q | 2, 8, 1 |
| R | 2, 8, 7 |
| S | 2, 8, 8 |
- Identify which element(s) will form covalent bonds with carbon.
- “Carbon reacts with an element in the above table to form several compounds.” Give suitable reason.
