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 is the shape of an s orbital?

Cloverleaf-shaped

Dumbbell-shaped

Spherical

2 / 40

What does Hund's rule state?

Electrons occupy orbitals of equal energy singly first

No two electrons can have the same set of quantum numbers

Electrons fill the lowest energy orbitals first

3 / 40

What did Rutherford's gold foil experiment demonstrate?

The existence of isotopes

The presence of electrons

The existence of a small, dense nucleus

4 / 40

Who discovered the electron?

Niels Bohr

Ernest Rutherford

J.J. Thomson

5 / 40

What is a cation?

A neutral atom

A negatively charged ion

A positively charged ion

6 / 40

What is the electron configuration of an atom?

The arrangement of protons and neutrons in the nucleus

The arrangement of atoms in a molecule

The distribution of electrons in an atom's orbitals

7 / 40

How many p orbitals are there in a p sublevel?

1

3

5

8 / 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

9 / 40

What is the principal quantum number?

Describes the orientation of an orbital

Describes the shape of an orbital

Describes the energy level of an electron

10 / 40

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

Aufbau principle

Pauli exclusion principle

Hund's rule

11 / 40

Who proposed the planetary model of the atom?

J.J. Thomson

Ernest Rutherford

Niels Bohr

12 / 40

Who conducted the gold foil experiment?

Ernest Rutherford

J.J. Thomson

Niels Bohr

13 / 40

How many d orbitals are there in a d sublevel?

3

5

7

14 / 40

What does the Pauli exclusion principle 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

15 / 40

What determines the chemical properties of an element?

Number of protons

Number of neutrons

Electron configuration

16 / 40

What is the charge of a neutron?

Positive

Neutral

Negative

17 / 40

What is an isotope?

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

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

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

18 / 40

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

2

1

3

19 / 40

How many electrons can the first energy level hold?

8

18

2

20 / 40

What are valence electrons?

Electrons in the innermost energy level

Electrons in the outermost energy level

Electrons in the nucleus

21 / 40

What is the shape of a p orbital?

Spherical

Dumbbell-shaped

Cloverleaf-shaped

22 / 40

What is the central part of an atom called?

Electron cloud

Shell

Nucleus

23 / 40

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

It loses mass

It releases energy

It absorbs energy

24 / 40

How many electrons can the second energy level hold?

2

18

8

25 / 40

What is the mass number of an element?

Sum of electrons and neutrons

Sum of protons and neutrons

Sum of electrons and protons

26 / 40

What is the atomic number of an element?

Number of protons

Number of neutrons

Number of electrons

27 / 40

How many electrons can the third energy level hold?

18

2

8

28 / 40

What is the ground state of an atom?

The lowest energy state of the atom

An excited state of the atom

A state where the atom has lost an electron

29 / 40

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

It gains mass

It absorbs energy

It releases energy

30 / 40

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

Approximately 1836 times

Approximately 2000 times

Approximately 100 times

31 / 40

What does the Heisenberg uncertainty principle state?

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

Electrons occupy orbitals of equal energy singly first

Electrons fill the lowest energy orbitals first

32 / 40

What is the charge of an electron?

Negative

Positive

Neutral

33 / 40

What is the charge of a proton?

Positive

Negative

Neutral

34 / 40

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

Planetary model

Plum pudding model

Quantum mechanical model

35 / 40

Which particle orbits the nucleus of an atom?

Proton

Neutron

Electron

36 / 40

What is an ion?

An atom that has gained or lost protons

An atom that has gained or lost electrons

An atom that has gained or lost neutrons

37 / 40

What are the energy levels where electrons reside called?

Shells

Nuclei

Orbitals

38 / 40

What is an anion?

A neutral atom

A negatively charged ion

A positively charged ion

39 / 40

What particles are found in the nucleus of an atom?

Electrons and protons

Neutrons and electrons

Protons and neutrons

40 / 40

How many f orbitals are there in an f sublevel?

5

3

7

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