MEDIUM
9th Chhattisgarh Board
IMPORTANT
Earn 100

The atomic numbers of lithium and fluorine are 3 and 9 respectively. Use electron dot structures to show the ionic bond formation between lithium and fluorine.

Important Questions on Chemical Bonding

HARD
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Questions>Q 3
What is the valency of oxygen? What is the valency of potassium? Explain.
HARD
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Questions>Q 4
The number of the electron in the M shell of an element is 7 and its valency is 1. What will be the electronic configuration of the ion of this element?
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Questions>Q 5
You know that aluminium has three electrons in its valence shell which it loses to form Al3+. Can you name the element that has four electrons in its outermost shell?
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Exercise 3>Q 1
The molecular formula of the compound ammonia is NH3, it is formed by nitrogen and hydrogen. Hydrogen needs to share one electron and nitrogen need to share three electrons to attain inert gas configuration. Can you draw the electron dot structure of ammonia?
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Questions>Q 1
Draw the electron dot structure of ethane C2H6.
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Questions>Q 2
Draw the electron dot structure of any molecule which has a double bond. 
EASY
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Questions>Q 3
The atomic number of chlorine is 17. Write its electronic configuration.
HARD
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Questions>Q 3

The atomic number of chlorine is 17. Explain the formation of chlorine molecule using electron dot structures.