SRMJEEE SERIES
Chemistry

Atomic Structure

7 previous year questions.

Volume: 7 Ques
Yield: Medium

High-Yield Trend

3
2019
2
2018
2
2017

Chapter Questions
7 MCQs

01
PYQ 2017
medium
chemistry ID: srmjeee-
A neutral atom (Atomic number > 1) consists of:
1
Only protons
2
Neutrons + protons
3
Neutrons + electrons
4
Neutrons + proton + electrons
02
PYQ 2017
medium
chemistry ID: srmjeee-
0.0025 has _________ significant figure
1
1
2
2
3
3
4
4
03
PYQ 2018
medium
chemistry ID: srmjeee-
The atomic radius is equal to
1
One half the distance between the two nuclei in a molecule
2
Two half the distance between the five nuclei in a molecule
3
Four half the distance between the three nuclei in a molecule
4
Three half the distance between the one nuclei in a molecule
04
PYQ 2018
medium
chemistry ID: srmjeee-
Which of the following sets of ion represents a collection of isoelectronic species?
1
N3- , O2- , F- , S2-
2
Ba2+, Sr2+, K2+, Ca2+
3
K+, Cl- , Ca2+, Sc3+
4
Li+, Na+, Mg2+, Ca2+
05
PYQ 2019
medium
chemistry ID: srmjeee-
The 3s orbital has
1
no node
2
1 node
3
2 nodes
4
3 nodes
06
PYQ 2019
medium
chemistry ID: srmjeee-
The nature of positive rays depends on
1
The nature of discharge tube
2
The nature of electrode
3
The nature of the gas in the discharge tube
4
Pressure of the gas in the discharge tube
07
PYQ 2019
medium
chemistry ID: srmjeee-
Mean distance between atoms in the range of
1
25 nm
2
2.5 nm
3
0.25 nm
4
0.025 nm