Question

Q2. What were the observations recorded and inferences drawn by Rutherford after performing the experiment?
Ans:

Q3. How did Bohr’s model of atom overcome the limitation of Rutherford’s model?
Ans:



Q4. An atom of an element is represented as shown below. Answer the questions in the table.
What is the number of protons in Cl?


What is the number of electrons in Cl?


What is the number of neutrons in Cl?


What is the electronic configuration of element Cl?

Answer 1

Answer:

Rutherford observed that there was much space between the particles of the atom as only a few got deflected and the rest travelled when he threw alpha rays on the gold foil

Answer 2

Answer:

1. Rutherford's conclusion came while observing α particles ( 42He ) being fired in his famous gold foil experiment. ... His two primary observations were: Most α particles passed straight through the gold foil, which showed that atoms are mostly empty space.
2. Bohr improved Rutherford's atomic model by proposing that electrons travelled in circular orbits with specific energy levels. Explanation: Rutherford proposed that electrons circled the nucleus like planets around the sun. ... When a metal atom is heated, it absorbs energy and the electrons jump to higher energy levels.
3. 17
4. 18
5. [Ne] 3s² 3p⁵

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