• September 17, 2021

Chemistry MCQ on Structure of Atom for NEET, JEE, Medical and Engineering Exam 2021

MCQ on Structure of Atom: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.

MCQ on Structure of Atom

In this post we are providing you MCQ on Structure of Atom, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.

MCQ on Structure of Atom

Q1. The orientation of atomic orbitals depends on their _____.
a) spin quantum number
b) magnetic quantum number
c) azimuthal quantum number
d) principal quantum number

View Answer

b) magnetic quantum number

Q2. Number of unpaired electrons in N2+ is _____.
a) 1
b) 2
c) 3
d) 4

View Answer

a) 1

Q3. A 0.66 kg ball is moving with a speed of 100 m/s. Find its wavelength.
a) 1.0 × 10-32 m
b) 1.0 × 10-35 m
c) 6.6 × 10-32 m
d) 6.6 × 10-34 m

View Answer

b) 1.0 × 10-35 m

Q4. 3p orbital has _____ radial nodes.
a) three
b) two
c) one
d) zero

View Answer

c) one

Q5. How many orbitals can have the following set of quantum numbers, n = 3, l = 1, m1 = 0 ?
a) 1
b) 2
c) 3
d) 4

View Answer

a) 1

Q6. A gas X has Cp and Cratio as 1.4, at NTP 11.2 L of gas X will contain_______ number of atoms.
a) 1.2 × 1023
b) 2.01 × 1023
c) 3.01 × 1023
d) 6.02 × 1023

View Answer

d) 6.02 × 1023

Q7. Maximum number of electrons in a subshell can be ______.
a) 2n2
b) 2l + 1
c) 4l + 2
d) 4l – 2

View Answer

c) 4l + 2

Q8. The excitation energy of a hydrogen atom from its ground state to its third excited state is ______.
a) 0.85 eV
b) 10.2 eV
c) 12.1 eV
d) 12.75 eV

View Answer

d) 12.75 eV

Q9. Electronic configuration of the outer shell of the element Gd with atomic number 64 is ______.
a) 4f4 5d5 6s1
b) 4f3 5d5 6s2
c) 4f5 5d4 6s1
d) 4f7 5d1 6s2

View Answer

d) 4f7 5d1 6s2


MCQ Link for NEET/JEE
JEE/NEET Physics MCQ Click Here
NEET/JEE Chemistry MCQ Click Here
NEET Biology MCQ Click Here
JEE Math’s MCQ Click Here

 

Notes PDF Link for NEET/JEE
Physics Notes PDF Click Here
Chemistry Notes PDF Click Here
Biology Notes PDF Click Here
Math’s Notes PDF Click Here

 


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By Team Learning Mantras