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प्रश्न
Name a neutral covalent molecule which contains one lone pair of electrons.
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उत्तर
Ammonia
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संबंधित प्रश्न
What type of bonds are present in water molecule? Draw the electron-dot structure of water (H2O).
Explain why, graphite can be used as a lubricant but diamond cannot.
One of the following is not an allotrope of carbon. This is:
(a) diamond
(b) graphite
(c) cumene
(d) buckministerfullerene
A solid element X has four electrons in the outermost shell of its atom. An allotrope Y of this element is used as a dry lubricant in machinery and also in making pencil leads.
(a) What is element X?
(b) Name the allotrope Y.
(c) State whether allotrope Y is a good conductor or non-conductor of electricity.
(d) Name one use of allotrope Y (other than lubrication and pencil leads)
(e) Name two other allotropes of element X.
What is the difference between ionic compounds and polar covalent compounds?
State the type of bonding in the following molecule.
Hydroxyl ion
State the type of bonding in the following molecule.
Ammonium ion
Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the options A, B, C and D given below:
The type of bonding in X will be ______.
Elements Q and S react together to form an ionic compound. Under normal conditions, which physical state will the compound QS exist in?
Which of the following statements are usually correct for carbon compounds? These
- are good conductors of electricity
- are poor conductors of electricity
- have strong forces of attraction between their molecules
- do not have strong forces of attraction between their molecules.
