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

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Vegeta King95 02 - Nov - 2024 05 Min 22 Sec 19/20
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Zunaira Jabeen Zunaira 11 - Sep - 2025 06 Min 17 Sec 19/20
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Jaidev Sachdev 13 - Nov - 2024 08 Min 02 Sec 17/20
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chachar chachar 25 - Nov - 2024 11 Min 50 Sec 17/20
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Saleem Khann 18 - Dec - 2024 12 Min 09 Sec 17/20
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Mian Bakar 12 - Nov - 2024 05 Min 15 Sec 16/20
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Burhan Idrees 25 - Aug - 2025 07 Min 46 Sec 16/20
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Ali kashif 27 - Sep - 2024 05 Min 47 Sec 15/20
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Muhammad Rehan Rehan 05 - Dec - 2024 07 Min 12 Sec 15/20
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Shah Sohaib 07 - Dec - 2024 13 Min 08 Sec 15/20

MCAT Chemistry Chapter 3 Important MCQ's

Sr.#	Question	Answer
1	The pressure exerted by gas molecules is due to their	A. collisions B. densities C. masses D. kinetic energy
2	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
3	Which of the following is the correct equation to calculate relative molecular mass of a gas	A. M=mPRTV B. M=mPR/VT C. M=PV/mRT D. M=mRT/PV
4	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
5	The mono atomic gases are	A. Halogens B. Noble gases C. 6h group elements D. Nitrogen and oxygen
6	At higher temperature what is true for gases	A. pressure is decreased B. volume is decreased C. number of moles are decreased D. KE is increased
7	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.	A. Colliding capability of molecule will become lower B. Pressure will become one half C. Temperature has no effect on freely moving molecules D. Volume will be increased
8	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
9	The volume of a real gas	A. is constant B. increases with T decrease C. becomes zero at absolute zero D. never becomes zero
10	If temperature is 73K and volume is 146 cm3 then calculate the value of K=V/T	A. 5 B. 4 C. 3 D. 2

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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

The molecular speed Crms of gas is

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

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

The volume of gas depends upon the------- moleules

Which one of the following statements is wrong for gases?

Which is not true in case of an ideal gas?

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

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

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

According to kinetic theory of gases kinetic energy depends on

Which type of motion is exhibited by gases?

According to the general gas equation, density of an ideal gas depends upon

What are the conditions under which the relation between volume (V) and number of moles (n) of gas is plotted? (Pressure; T-temperature)

At higher temperature what is true for gases

Under which condition CO has the maximum molar volume

Charles's law is only obeyed at which temperature scale

The motion imparted to the gas molecules by gravity is

Which of the statement is applicable for both ideal and real gases molecules?

The relationship between density and molar mass of a gas is

The density of neon will be highest at

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MCAT Chemistry Chapter 3 Important MCQ's

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