NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1154 - 1158 of 1259

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Question number: 1154

» Classification of Elements & Periodicity » Present Form of the Periodic Table

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MCQ▾

Question

Choose the correct order of atomic radius -

(1)

(2)

(3)

(4)

Choices

Choice (4)Response

a.

1,2 and 3 are correct

b.

1 and 3 are correct

c.

1 and 2 are correct

d.

2 and 4 are correct

Question number: 1155

» Classification of Elements & Periodicity » Present Form of the Periodic Table

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MCQ▾

Question

Choose the correct statements corresponding to modern periodic table -

(1) No. of Gaseous elements is

(2) No. of Liquid elements is

(3) Number of Solid elements is (if discovered elements are )

(4) 3rd period contains maximum number of gaseous elements.

Choices

Choice (4)Response

a.

1 and 2 are correct

b.

2 and 4 are correct

c.

1,2 and 3 are correct

d.

1 and 3 are correct

Question number: 1156

» Atomic Structure » Quantum Mechanics

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MCQ▾

Question

The ionization energy of hydrogen atom is . What will be the ionization energy of ?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1157

» Classification of Elements & Periodicity » Present Form of the Periodic Table

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Assertion-Reason▾

Question

Assertion (Ꭺ)

The atomic radii of calcium is smaller than sodium.

Reason (Ꭱ)

Calcium has a lower nuclear charge than sodium

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is false but Ꭱ is true

c.

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

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 1158

» Atomic Structure » Dual Nature of Matter

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MCQ▾

Question

An oil drop has charge. Find out the number of electrons in this drop -

Choices

Choice (4)Response

a.

8

b.

4

c.

6

d.

3

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