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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Shah Sohaib 07 - Dec - 2024 13 Min 08 Sec 15/20
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Urwa bibi 22 - Oct - 2024 05 Min 07 Sec 14/20

MCAT Chemistry Chapter 3 Important MCQ's

Sr.#	Question	Answer
1	If volume of an ideal gas at 0C° 536cm3, what is volume at 1°C	A. 373 cm3 B. 646 cm3 C. Becomes 0cm3 D. 746 cm3
2	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
3	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
4	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
5	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
6	According to the general gas equation, density of an ideal gas depends upon	A. Pressure B. Temperature C. Molar mass of the gas D. All of the above
7	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
8	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
9	Under which condition CO has the maximum molar volume	A. high T and P B. Low T and High p C. high T and low P D. Low T and low P
10	If a gas expands at constant temperature	A. The pressure decreases B. The Kinetic energy of the molecules remains the same C. The kinetic energy of the molecules decreases D. The number of molecules of the gas increase

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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

Acording to the kinetic theory of gases

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

One dm3 of H2 and O2: has different masses but no. of particles are

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

At absolute zero the molecules of hydrogen gas will have

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

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

If a gas expands at constant temperature

Under which condition CO has the maximum molar volume

According to kinetic theory of gases kinetic energy depends on

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

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 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)

The root mean square velocity of a gas is doubled when the temperature is

The volume of a real gas

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

The molecular speed Crms of gas is

The relationship between density and molar mass of a gas is

Under which condition CO has the maximum molar volume.

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MCAT Chemistry Chapter 3 Important MCQ's

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