Question

please answer all the question

Answer 1

1. ''Plum Pudding'' Model of Atomic structure was given by :

Answer : (b) J. J Thomson

2. The Discoverer of Neutron was :

Answer : (d) James Chadwick

3. The Size of Atom is :

Answer : (d) 10⁻⁸ cm

The Size atom is about 10⁻¹⁰ Meter.

Converting it into Centimeters we get : 10⁻⁸ cm

4. The Number of Neutrons in Deuterium :

Answer : (a) One

Isotopes are Different forms of a Single Element which Differ themselves by Number of Neutrons their Nucleus contains.

Hydrogen has Three Isotopes. They are Protium - Deuterium - Tritium

Protium has One Proton - One Electron

Deuterium has One Proton - One Neutron - One Electron

Tritium has One Proton - Two Neutrons - One Electron

Answer 2

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