The presentation focuses on chemical bonds, which are the forces keeping atoms together in molecules and compounds. It covers various types of bonds including ionic, covalent, metallic, and hydrogen bonds, highlighting their importance in stability, compound formation, and real-world applications such as pharmaceuticals, electrochemistry, agriculture, and nanotechnology. The discussion emphasizes that understanding chemical bonds is essential for advancements in multiple fields.

1. Wellcome to our presentation
DHAKA INTERNATIONAL
UNIVERSITY
8/16/2023
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2. CHEMICAL BONDS
Presented By:
A. Zubayer Ahmad -29
B. Shohel Rana -13
C. Raiyan Hossain -24
D. Jihadul Islam -10
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3. Introduction to Chemical Bonds
• A chemical bond is a force of attraction that holds
atoms together in a molecule or a compound.
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5. Ionic Bond
• An ionic bond is a strong electrostatic attraction between
oppositely charged ions, formed by the transfer of electrons
from one atom to another.
Example: Sodium chloride
Na + Cl NaCl
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6. Covalent Bond
• In a covalent bond, atoms share electrons to achieve a
stable electron configuration.
• Example: Hydrogen (H), Oxygen (O2), Nitrogen (N2), Water (H2O), and
Methane(CH4).
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Two types of Covalent Bonds:
1. Polar Covalent
2. Non-Polar Covalent.

7. Metallic Bond
• Metallic bonds are unique to metals. In this type of bond,
metal atoms release their valence
electrons,creatinga"sea”of,delocalizedelectrons.
Example:Magnesium,Sodium,Aluminum
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8. Hydrogen bond
• A weak bond between two molecules resulting from
an electrostatic attraction between a proton in
one molecule and an electronegative atom in the other.
• Example: Water, Ammonia, Alcohols, Carboxylic Acid
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9. Importance of Chemical bonds
Chemical bonds are of paramount importance in
various aspects of chemistry and the natural world
• Stability of Matter: Chemical bonds are
responsible for holding atoms together to form
molecules and compounds.
• Formation of Compounds: Chemical bonds allow
elements to combine and form an immense
variety of compounds with unique properties and
functionalities.
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10. Real-world Applications
• Pharmaceutials: Understanding chemical bonds aids in drug
design, where molecules with specific bonding patterns can
target and interact with biological receptors to treat diseases
effectively.
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11. Electrochemistry: The study of chemical bonds is crucial in
designing and optimizing batteries and supercapacitors,
enhancing energy storage technologies.
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12. Agriculture: Chemical bonding principles are employed
in designing fertilizers, pesticides, and herbicides that
improve crop yield and minimize environmental impact.
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13. Nanotechnology: Chemical bonding is pivotal in the synthesis of
nanomaterials with unique properties, enabling advancements in
electronics, catalysis, and biomedical applications.
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14. Thank You
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