Question

illustrate rutherford for model to explain model of atom

Answer 1

Rutherford had the following observations:
1. The alpha particles passed straight through the gold foil
2.a few alpha particles seemed to deflect at small angles
3surprisingly one out of every 12,000 after particles seemed to rebound

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Answer 2

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RUTHERFORD ATOMIC MODEL

• α−ray is the flow of the 2+ ions
• Alpha ray is bombarded over thin gold foil.

OBSERVATION

• Most of the Alpha particle pàss through the thin gold foil without any deflection.
• Sum of Alpha particle get deflected through less than 90°
• Very few of Alpha Ray pàss through thin gold file with deflection angle more than 90°
• One ray in 15000 rays shows deflection through 180°.

CONCLUSION OF RUTHERFORD MODEL

• Most part of the atom are empty.
• Centre of the atom have highly dense reason which is positively charged reason known as nucleus.
• Total mass of atom is concentrated in nucleus.
• Size of nucleus is very less as compared to size of the atom.
• Volume of atom = 10¹⁵ × Volume Of Nucleous
• Electron revolves around the nucleus in circular path.