Advertisements
Advertisements
प्रश्न
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2,8,1 |
2,8,7 |
2,5 |
1 |
Answer the following questions based on the table above:
What type of bond is formed between Y and Z.
Advertisements
उत्तर
Covalent bond is formed between Y and Z
APPEARS IN
संबंधित प्रश्न
Explain the formation of a chlorine molecule on the basis of electronic theory of valency.
An element A has 4 valence electrons in its atom whereas element B has only one valence electron in its atom. The compound formed by A and B does not conduct electricity. What is the nature of chemical bond in the compound formed? Give its electron-dot structure.
You can buy solid air-freshners in shops. Do you think these substance are ionic or covalent? Why?
Give two example in following case:
Gaseous polar compounds
The following structural formula belongs to which carbon compound?
In the formation of electrovalent compounds, electrons are transferred from one element to another. How are electrons involved in the formation of a covalent compound?
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
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.
Assertion (A): Melting point and boiling point of ethanol are lower than that of sodium chloride.
Reason (R): The forces of attraction between the molecules of ionic compounds are very strong.
