MDCAT Chemistry Chapter 3 online mcq test with answers for chapter 3 (Atomic Structure)

In Chemistry, chapter 3 holds equal significance as the other chapters. The candidates planning to appear in the MDCAT should follow the syllabus. After completing the preparation, the students should solve the MCQs to analyze their preparation level and work on the weak areas. The online test is provided to facilitate the students so they can access them easily without wasting any time. The students who intend to appear in the MDCAT must take the maximum online test. It helps the students to perform well in the actual time, and in this way, they also learn about time management, which is a crucial part to consider. So save time and solve the online test at least once for better preparation and then appear in the MDCAT. To get updates about the MDCAT test, stay connected with us.

In this topic,Student should be able to:

a) Identify and describe the proton, neutron and electron in terms of their relative charges and relative masses.

b) Discuss the behaviour of beams of protons, neutrons and electrons in electric fields.

c) Calculate the distribution of mass and charges within an atom from the given data.

d) Deduce the number of protons, neutrons and electrons present in both atoms and ions for a given proton and nucleon numbers/charge.

e) i) Describe the contribution of protons and neutrons to atomic nuclei in terms of proton number and nucleon number. ii) Distinguish between isotopes on the basis of different numbers of neutrons present.

f) Describe the number and relative energies of the s, p and d orbitals for the principal quantum numbers 1, 2 and 3 and also the 4s and 4p orbitals.

g) Describe the shapes of s, p and d-orbitals.

h) State the electronic configuration of atoms and ions given, the proton number/charge for period 1, 2, 3 and 4 (hydrogen to Krypton).

Explain:

i) Ionization energy.
ii) The factors influencing the ionization energies of elements.
iii) The trends in ionization energies across a Period and down a Group of the Periodic Table.

Top Scorers Of MDCAT Chemistry Chapter 3 Atomic Structure Online Test MCQ`s Test

U

Unknown 11 - Sep - 2025 12 Min 14 Sec 20/20
S

Saim G 16 - Aug - 2025 04 Min 22 Sec 19/20
V

Vegeta King95 02 - Nov - 2024 05 Min 22 Sec 19/20
Z

Zunaira Jabeen Zunaira 11 - Sep - 2025 06 Min 17 Sec 19/20
D

Duraid ali 07 - Dec - 2024 06 Min 06 Sec 17/20
J

Jaidev Sachdev 13 - Nov - 2024 08 Min 02 Sec 17/20
C

chachar chachar 25 - Nov - 2024 11 Min 50 Sec 17/20
S

Saleem Khann 18 - Dec - 2024 12 Min 09 Sec 17/20
A

azan aslam 17 - Nov - 2024 03 Min 25 Sec 16/20
M

Mian Bakar 12 - Nov - 2024 05 Min 15 Sec 16/20
B

Burhan Idrees 25 - Aug - 2025 07 Min 46 Sec 16/20
M

Muhammad Rehan Rehan 05 - Dec - 2024 07 Min 12 Sec 15/20
S

Shah Sohaib 07 - Dec - 2024 13 Min 08 Sec 15/20
U

Urwa bibi 22 - Oct - 2024 05 Min 07 Sec 14/20
I

Idreeskhan 08 - Jan - 2025 05 Min 06 Sec 13/20

MCAT Chemistry Chapter 3 Important MCQ's

Sr.#	Question	Answer
1	The molecular speed Crms of gas is	A. Independent of temperature B. Proportional to the absolute temperature C. Proportional to the square root of absolute temperature D. Proportional to the square of absolute temperature
2	What are the conditions under which the relation between volume (V) and number of moles (n) of gas is plotted? (Pressure; T-temperature)	A. constant P and T B. constant P and V C. constant T and V D. constant n and v
3	Theoretically, the temperature at which volume of gas become equal to zero is called	A. Boiling point of water B. Zero absolute C. Zero Kelvin D. both B and C
4	An ideal gas expands according to PV=constant. On expansion, the temperature of gas	A. will rise B. will drop C. cannot be determined because the exteral pressure is not known D. will remain same
5	The actual volume of gas molecules is considered negligible at following pressures	A. 2atm B. 4atm C. 6 atm D. 8 atm
6	Density of a gas increases by	A. increasing value of R B. decreasing value of R C. increasing T D. decreasing T
7	An ideal gas, obeying Kinetic theory of gases cannot be liquified, because	A. its critical temperature is above 0°C B. its molecules are relatively small in size C. It solidifies before becoming a liquid D. Forces acting between its molecules are negligible
8	The motion imparted to the gas molecules by gravity is	A. very small B. very large C. negligible D. appreciable
9	Acording to the kinetic theory of gases	A. The pressure exerted by a gas is proportional to mean square velocity of the molecules B. The pressure exerted by the gas is proportional to the root mean square velocity of the molecules C. The root mean square velocity is inversely proportional to the temperature D. The mean translational KE of the molecule is directly proportional to the absolute temperature
10	For an ideal gas, number of mole in terms of its pressure P, temperature T and gas constant is	A. PT/R B. PRT C. PV/RT D. RT/P

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

MDCAT Chemistry Chapter 3 MCQ Test With Answer for (Atomic Structure)

MCQ's Test For MDCAT Chemistry Chapter 3 Atomic Structure Online Test

MDCAT Chemistry Chapter 3 Atomic Structure Online Test

Charles's law is only obeyed at which temperature scale

If volume of an ideal gas at 0°C 536cm3, what is volume at 1°C

Under which condition CO has the maximum molar volume.

According to kinetic theory of gases kinetic energy depends on

The pressure exerted by gas molecules is due to their

For an ideal gas, number of mole in terms of its pressure P, temperature T and gas constant is

Theoretically, the temperature at which volume of gas become equal to zero is called

Helium atom is two times heavier than a hydrogen molecule. At 298 K, the average kinetic energy of a helium atom is

Acording to the kinetic theory of gases

Under which condition CO has the maximum molar volume

Density of a gas increases by

The pressure of gas at constant temperature in a container of 2dm3 is 10 atm what will be its final pressure if it is connected with 10 dm3 container

The volume of given mass of gas is directly proportional to absolute temperature when pressure is kept constant this is called

An ideal gas, obeying Kinetic theory of gases cannot be liquified, because

Gas is enclosed in a container of 20cm3 with the moving piston. According to kinetic theory of gases, what is the effect on freely moving molecules of the gas if temperature is increased from 20°C to 100C.

The density of neon will be highest at

If increase in temperature and volume of an ideal gas is two times, then the initial pressure P changes to

Which type of motion is exhibited by gases?

If temperature is 73K and volume is 146 cm3 then calculate the value of K=V/T

At higher temperature isotherm of Boyle's law moves away from both axis, is due to increase in

Prepare Complete Set Wise MDCAT Chemistry Chapter 3 Atomic Structure Online Test MCQs Online With Answers

Set 1

Set 2

Set 3

Topic Test

Top Scorers Of MDCAT Chemistry Chapter 3 Atomic Structure Online Test MCQ`s Test

MCAT Chemistry Chapter 3 Important MCQ's

Test Questions

Share your comments & questions here

altaf