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SET-1
SET-2
SET-3
SET-4
SET-5
SET-6
SET-7
1.
Electronic configuration of calcium atom can be written as
A.
[Ar], 4s2
B.
[Kr], 4p2
C.
[Ne], 4p2
D.
[Ne], 4s2
Answer :
Answer & Solution
2.
Atomic number of which of the following elements is greater than that of Iodine?
A.
Bromine
B.
Platinum
C.
Zinc
D.
Silver
Answer :
Answer & Solution
3.
Which two basic forces are able to provide an attractive force between two neutrons?
A.
Electrostatic and Nuclear forces
B.
Gravitational and Neuclear forces
C.
Gravitational and Electrostatic forces
D.
Some other forces
Answer :
Answer & Solution
4.
Atomic number of an atom gives the number of which of the following?
A.
Neutrons and Protons
B.
Electrons
C.
Neutrons
D.
Protons
Answer :
Answer & Solution
5.
Atomic number of which of the following elements is greater than that of Silicon?
A.
Magnesium
B.
Sodium
C.
Aluminium
D.
Sulphur
Answer :
Answer & Solution
6.
When cathode rays strike a target of high atomic weight, they give rise to
A.
X rays
B.
Positive rays
C.
α- rays
D.
β and γ rays
Answer :
Answer & Solution
7.
Atomic number of which of the following elements is greater than that of Aluminium?
A.
Magnesium
B.
Phosphorous
C.
Neon
D.
Sodium
Answer :
Answer & Solution
8.
Which of the properties of the element is a whole number?
A.
Atomic radii
B.
Atomic volume
C.
Atomic mass
D.
Atomic number
Answer :
Answer & Solution
9.
Atomic number of Hydrogen is ______
A.
1
B.
2
C.
3
D.
4
Answer :
Answer & Solution
10.
Atomic number of which of the following elements is greater than that of Zinc?
A.
Chromium
B.
Copper
C.
Iron
D.
Bromine
Answer :
Answer & Solution
11.
Cathode rats are
A.
Electromagnetic waves
B.
Radiations
C.
Stream of a-particles
D.
Stream of Electrons
Answer :
Answer & Solution
12.
Element having atomic number 29 is related to
A.
f- Block
B.
p- Block
C.
s- Block
D.
D- Block
Answer :
Answer & Solution
13.
Atomic number of which of the following elements is greater than that of Magnesium
A.
Sodium
B.
Aluminium
C.
Neon
D.
Fluorine
Answer :
Answer & Solution
14.
J.J Thomson proposed a model which is generally called ¬¬¬_____ model.
A.
Cream and pudding
B.
Plum and Cake
C.
Cream and Cake
D.
Plum and pudding
Answer :
Answer & Solution
15.
The electronic configuration of chromium(Z=24) is
A.
[Ne]3s23p63d5, 4s1
B.
[Ne]3s23p, 4s24p4
C.
[Ne]3s23p63d4, 4s2
D.
[Ne]3s23p63d1, 4s2
Answer :
Answer & Solution
16.
Atomic number of which of the following elements is greater than that of Phosphorouos?
A.
Silicon
B.
Magnesium
C.
Chlorine
D.
Aluminium
Answer :
Answer & Solution
17.
Two elements X and Y are isotonic having atomic weight 54 and 56 respectively .If the atomic number of X is 26, then the atomic number of y is
A.
26
B.
27
C.
28
D.
30
Answer :
Answer & Solution
18.
Atomic number of which of the following elements is greater than that of neon?
A.
Magnesium
B.
Oxygen
C.
Nitrogen
D.
Boron
Answer :
Answer & Solution
19.
What is the formula of potassium ion in the noble state?
A.
K2-
B.
K-
C.
K+
D.
K2+
Answer :
Answer & Solution
20.
Atomic number of which of the following elements is greater than that of potassium?
A.
Argon
B.
Chlorine
C.
Sulphur
D.
Calcium
Answer :
Answer & Solution
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