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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Muhammad Rehan Rehan 05 - Dec - 2024 07 Min 12 Sec 15/20
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MCAT Chemistry Chapter 3 Important MCQ's

Sr.#	Question	Answer
1	The temperature of a gas is directly proportional to its	A. average translational kinetic energy B. enthalpy C. internal energy D. hydration energy
2	At constant volume, for a fixed number of moles of a gas the pressure of the gas increases with size of temperature due to	A. increase in average molecular speed B. increase in number of moles C. increase in molecular attraction D. decrease in the distance between the molecules
3	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
4	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
5	Charles's law is only obeyed at which temperature scale	A. Celsius B. Kelvin C. Fahrenheit D. both A&B
6	Which is not true in case of an ideal gas?	A. It cannot be converted into a liquid B. There is no interaction between the molecules C. All molecules of the gas move with same speed D. At a given temperature P'V is proportional to the amount of the gas
7	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
8	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
9	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
10	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

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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

If a gas expands at constant temperature

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.

Density of a gas increases by

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

The relationship between density and molar mass of a gas is

The number of molecules in 22.4 dm3 of gas at 0°C and 1 atm are

Under which condition CO has the maximum molar volume

Charles's law is only obeyed at which temperature scale

The actual volume of gas molecules is considered negligible at following pressures

The density of neon will be highest at

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

The motion imparted to the gas molecules by gravity is

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

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

Which is not true in case of an ideal gas?

At higher temperature what is true for gases

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

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

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

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

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MCAT Chemistry Chapter 3 Important MCQ's

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