Structure of Atom Test

Result

Structure of Atom Test - 33

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Weekly Quiz Competition

Question 1
4 / -1

Which one of the following sets of ions represents a collection of isoelectronic species ?

A
K⁺, Cl^-, Ca²⁺, Sc³⁺

B
Ba²⁺, Sr²⁺, K⁺, S^2-

C
N^3-, O^2-, F^-, S^2-

D
Li⁺, Na⁺, Mg²⁺, Ca²⁺

Solution
Question 2
4 / -1

Ca²⁺ is isoelectronic with

A
Na⁺

B
Ar

C
Mg²⁺

D
Kr

Solution
Question 3
4 / -1

The lightest particle is

A
α-particle

B
positron

C
proton

D
neutron
Question 4
4 / -1

How many neutrons are present in tritium nucleus ?

A
2

B
3

C
1

D
0
Question 5
4 / -1

Which one of the following has unit positive charge and 1 u mass ?

A
Electron

B
Neutron

C
Proton

D
None of these

Solution
Question 6
4 / -1

Nuclear theory of the atom was put forward by

A
Rutherford

B
Aston

C
Neils Bohr

D
J J Thomson
Question 7
4 / -1

Which particle contains 2 neutrons and 1 proton ?

A
₁H²

B
₂He⁴

C
₁T³

D
₁D²
Question 8
4 / -1

Number of neutron in C¹² is

A
6

B
7

C
8

D
9

Solution
Question 9
4 / -1

A

B

C

D

Solution
Question 10
4 / -1

Which of the following relation is incorrect regarding Bohr's theory?

A

B

C

D

Solution