What is Molecule ?

 

Simple Definition

Molecule wo chhota group hota hai jisme 2 ya zyada atoms aapas mein juday hote hain (chemical bond ke through).

👉 Ye matter ka wo hissa hai jo independent exist kar sakta hai.

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🔹 Examples

• O₂ (Oxygen gas) → 2 oxygen atoms mil kar molecule banate hain
• H₂O (Water) → 2 hydrogen + 1 oxygen
• CO₂ (Carbon dioxide) → 1 carbon + 2 oxygen

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🔹 Types of Molecules

1. Element Molecule
   • Same atoms se banta hai
   • Example: O₂, H₂
2. Compound Molecule
   • Different atoms se banta hai
   • Example: H₂O, CO₂

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🔹 Important Points

• Atoms akelay bhi ho sakte hain, lekin aksar molecules bana kar stable hotay hain
• Molecules ki bonding usually covalent bond hoti hai
• Har molecule ka fixed structure aur formula hota hai

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✅ Easy Summary

Atom + Atom → Molecule
Molecule = atoms ka group jo mil kar aik cheez banata hai