Q1
What is ionic bonding?
AComplete transfer of electrons
BSharing of electron pairs
CNo electron movement
DOnly proton transfer
ICSEClass 10 (ICSE)ChemistryCh 2 · Topic 2
Practice and Revision - Chemical Bonding
Let us practise and revise what we learned about chemical bonding. Chemical bonding explains how atoms combine to form molecules and compoun
Core concept
Ionic bonding occurs through the complete transfer of electrons between a metal and a non-metal, forming oppositely charged ions that attract each other.
How it works
Covalent bonding occurs through the sharing of electron pairs between non-metal atoms, forming molecules with stable electron configurations.
Why it matters
Ionic compounds typically have high melting points and conduct electricity when molten or dissolved, while covalent compounds have lower melting points.
Key detail
Understanding chemical bonding helps explain the physical and chemical properties of different substances, from table salt to water.
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Quick notes
• Ionic bonding: complete electron transfer, metal + non-metal.
• It forms oppositely charged ions.
• Covalent bonding: sharing of electron pairs.
• It occurs between non-metal atoms.
• Ionic compounds: high melting points, conduct when molten.
• Covalent compounds: lower melting points generally.
• Bonding explains substance properties.
• Examples: table salt (ionic), water (covalent).