HARD
9th Chhattisgarh Board
IMPORTANT
Earn 100

Explain why ionic compounds have high melting and boiling points.

Important Questions on Chemical Bonding

MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Exercises>Q 1
When sodium reacts with chlorine_____.
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Exercises>Q 1
A sodium atom and a sodium ion:_____.
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9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Exercises>Q 1
Which of the following elements loses two electrons in order to attain inert gas configuration similar to argon?
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Exercises>Q 1
Double bonds are found in which of the following molecules:
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Exercises>Q 2
Two atoms of nitrogen share _____ pairs of electrons to form a nitrogen molecule. (three / six)
MEDIUM
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IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Exercises>Q 4
Draw the electron dot structure of a molecule that has a triple bond.
MEDIUM
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Exercises>Q 5
Argon atoms do not form Ar2 molecule by covalent bonding. Why?
HARD
9th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-9>Chapter 8 - Chemical Bonding>Exercises>Q 7
What is the role of valence electrons in the formation of chemical compounds? Explain.