Atmospheric Physics MCQs with Answers

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Atmospheric Physics Online Quiz

By presenting 3 options to choose from, Atmospheric Physics Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Atmospheric Physics Questions and Answers and click over the correct answer.

• Test Name: Atmospheric Physics MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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Atmospheric Physics

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1 / 40

What model of the atom did J.J. Thomson propose?

Plum pudding model

Planetary model

Quantum mechanical model

2 / 40

What is the charge of a neutron?

Negative

Neutral

Positive

3 / 40

How many p orbitals are there in a p sublevel?

1

5

3

4 / 40

What is the atomic number of an element?

Number of neutrons

Number of electrons

Number of protons

5 / 40

What are valence electrons?

Electrons in the innermost energy level

Electrons in the outermost energy level

Electrons in the nucleus

6 / 40

What is a cation?

A neutral atom

A positively charged ion

A negatively charged ion

7 / 40

What did Rutherford's gold foil experiment demonstrate?

The existence of a small, dense nucleus

The presence of electrons

The existence of isotopes

8 / 40

What does the Heisenberg uncertainty principle state?

Electrons occupy orbitals of equal energy singly first

Electrons fill the lowest energy orbitals first

It is impossible to know both the position and momentum of an electron simultaneously

9 / 40

What is the charge of a proton?

Neutral

Positive

Negative

10 / 40

What is the charge of an electron?

Positive

Neutral

Negative

11 / 40

What is the relative mass of a proton compared to an electron?

Approximately 2000 times

Approximately 100 times

Approximately 1836 times

12 / 40

What are the energy levels where electrons reside called?

Shells

Orbitals

Nuclei

13 / 40

What is the shape of an s orbital?

Spherical

Cloverleaf-shaped

Dumbbell-shaped

14 / 40

What is the central part of an atom called?

Nucleus

Shell

Electron cloud

15 / 40

What particles are found in the nucleus of an atom?

Protons and neutrons

Neutrons and electrons

Electrons and protons

16 / 40

Which rule states that electrons fill the lowest energy orbitals first?

Pauli exclusion principle

Aufbau principle

Hund's rule

17 / 40

Which particle orbits the nucleus of an atom?

Electron

Neutron

Proton

18 / 40

What is the electron configuration of an atom?

The arrangement of atoms in a molecule

The arrangement of protons and neutrons in the nucleus

The distribution of electrons in an atom's orbitals

19 / 40

What is the shape of a p orbital?

Spherical

Cloverleaf-shaped

Dumbbell-shaped

20 / 40

How many electrons can the first energy level hold?

8

18

2

21 / 40

Who discovered the electron?

J.J. Thomson

Ernest Rutherford

Niels Bohr

22 / 40

What happens when an electron moves to a higher energy level?

It loses mass

It releases energy

It absorbs energy

23 / 40

What happens when an electron falls back to a lower energy level?

It gains mass

It releases energy

It absorbs energy

24 / 40

What is an ion?

An atom that has gained or lost electrons

An atom that has gained or lost protons

An atom that has gained or lost neutrons

25 / 40

Who conducted the gold foil experiment?

J.J. Thomson

Niels Bohr

Ernest Rutherford

26 / 40

How many f orbitals are there in an f sublevel?

5

3

7

27 / 40

How many d orbitals are there in a d sublevel?

7

5

3

28 / 40

Who proposed the planetary model of the atom?

J.J. Thomson

Ernest Rutherford

Niels Bohr

29 / 40

What is the mass number of an element?

Sum of electrons and protons

Sum of protons and neutrons

Sum of electrons and neutrons

30 / 40

What is the maximum number of electrons that can occupy a single orbital?

3

2

1

31 / 40

What does Hund's rule state?

Electrons fill the lowest energy orbitals first

Electrons occupy orbitals of equal energy singly first

No two electrons can have the same set of quantum numbers

32 / 40

How many electrons can the third energy level hold?

8

2

18

33 / 40

What does the Pauli exclusion principle state?

No two electrons can have the same set of quantum numbers

Electrons occupy orbitals of equal energy singly first

Electrons fill the lowest energy orbitals first

34 / 40

What is an orbital?

The nucleus of an atom

A region of space where there is a high probability of finding an electron

The path of an electron around the nucleus

35 / 40

What is an anion?

A neutral atom

A positively charged ion

A negatively charged ion

36 / 40

What is an isotope?

Atoms with the same number of neutrons but different numbers of protons

Atoms with the same number of electrons but different numbers of protons

Atoms with the same number of protons but different numbers of neutrons

37 / 40

What determines the chemical properties of an element?

Electron configuration

Number of neutrons

Number of protons

38 / 40

What is the principal quantum number?

Describes the shape of an orbital

Describes the energy level of an electron

Describes the orientation of an orbital

39 / 40

How many electrons can the second energy level hold?

2

8

18

40 / 40

What is the ground state of an atom?

A state where the atom has lost an electron

An excited state of the atom

The lowest energy state of the atom

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