Atomic Structure-Thomson and Rutherford Atomic Models [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 1 - 3 of 3

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Question 1

Question MCQ▾

Rutherford՚s experiment on scattering of alpha particles shows that atom has-

Choices

Choice (4)Response

a.

Neutrons

b.

Nucleus

c.

Electron

d.

Proton

Edit

Question 2

Question Assertion-Reason▾

Assertion(Ꭺ)

The atoms of different elegists having same mass number but different atomic number are known as isobars.

Reason(Ꭱ)

The sum of protons and neutrons, in the isobars is always different.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Ꭺ is false but Ꭱ is true

Edit

Question 3

Question MCQ▾

For the table –

Table Shows the Atomic Mass Number
Atom/ionAtomic Number Mass No.

Proton

Neutrons

Electrons

Choose the correct options –

(1)

(2)

(3)

(4)

Choices

Choice (4)Response

a.

1,2 and 3 are correct

b.

1 and 2 are correct

c.

2 and 4 are correct

d.

1 and 3 are correct

Edit