English

Define a Covalent Bond.

Advertisements
Advertisements

Question

Define a covalent bond.

Definition
Advertisements

Solution

The chemical bond formed between two combining atoms by mutual sharing of one or more pairs of electrons is called a covalent bond.

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Atomic Structure and Chemical Bonding - Exercise 4 (E) [Page 76]

APPEARS IN

Selina Concise Chemistry [English] Class 9 ICSE
Chapter 4 Atomic Structure and Chemical Bonding
Exercise 4 (E) | Q 1.1 | Page 76

RELATED QUESTIONS

Explain the nature of the covalent bond using the bond formation in CH3Cl.


 Why are most carbon compounds poor conductors of electricity?


What type of bonds are present in water molecule? Draw the electron-dot structure of water (H2O).


Fill in the blank in the following sentence:

In forming N2 molecule, .............. electrons are shared by each atom of nitrogen.


will  CS2 conduct electricity or not?

give reason for your choice.


Draw the electron-dot structure of H2O compound and state the type of bonding.


State one use of diamond which depends on its 'extraordinary brilliance' and one use of graphite which depends on its being 'black and quite soft'.


Distinguish between ionic and covalent compounds under the following properties:

(i) Strength of forces between constituent elements

(ii) Solubility of compounds in water

(iii) Electrical conduction in substances


Draw an electron dot structure of the following molecule. (Without showing the circle) :
Methanol


What are the conditions necessary for the formation of covalent molecule? Give their properties.

Explain the bonding in methane molecule using electron dot structure.


An element L consists of molecules.
Why L is heated with iron metal, it forms a compound FeL. What chemical term would you use to describe the change undergone by L?


State the type of bond formed when the combining atom has zero E.N. difference. 


State the type of bond formed when the combining atom has small E.N. difference.


Name two compounds that are covalent when taken pure but produce ions when dissolved in water.


Explain the following: 

Polar covalent compounds conduct electricity?


Potassium chloride is an electrovalent compound, while hydrogen chloride is a covalent compound, But, both conduct electricity in their aqueous solutions. Explain.


Write an Explanation.

Alkyne


Complete the following activity.

Write the names of the hydrocarbons for the following structural formula.

(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)

 

Write notes on the characteristics of covalent compounds.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×