Question # 1

Number of electrons that an be accomodated in f - subshell

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6

10

2

14

In which isotope of oxygen there are the equal numbr of protons electons and neutorns.

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O¹⁶

¹⁷O

¹⁸O

None of these

A sub sheel that cna accommodate 6 electrons is

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b

s

f

p

Proton are feflected toward plate.

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Positive

Negative

Both a and b

None of these

The percentage of ²³⁸ U ₉₂ found in nature.

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97%

0.72%

98%

1.5%

According to Rutherford's atomic theory, atom should produce.

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Line spectrum

Continuous spectrum

Both a and b

None of these

Number of neurtons in ²⁷M₁₃are

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13

14

27

15

How many subshells are there in M shell?

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2

4

3

5

Which isotope is used in nuclear reactors.

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U-234

U-235

U-238

All of these

Quantum means.

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Virable energy

Fixed energy

High energy

Minimum energy

How many electrons can be accommodated at the msot in the third shell of the elements.

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8

12

10

18

How many electons can be accommodated in S subshell?

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2

6

14

10

¹³ C and ¹⁴ C are both present in nature.

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0,1 %

1.1 %

0.9 %

1.5 %

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