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11th Class Chemistry Chapter 5 MCQs with Answers

11th Class Chemistry Chapter 5 MCQs

Dive into Atomic Structure MCQs featuring questions on atomic models, isotopes, and quantum numbers. Chapter 5 quizzes make complex concepts approachable for 11th Class Chemistry students.

a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
a) Protons

The total number of protons and neutrons present in the nucleus of an atom is called:
a) Atomic number
b) Mass number
c) Atomic mass
d) Atomic weight

Answer
b) Mass number

The subatomic particle(s) found outside the nucleus of an atom is/are:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
c) Electrons

The charge of a proton is:
a) Positive
b) Negative
c) Neutral
d) Variable

Answer
a) Positive

The charge of an electron is:
a) Positive
b) Negative
c) Neutral
d) Variable

Answer
b) Negative

The charge of a neutron is:
a) Positive
b) Negative
c) Neutral
d) Variable

Answer
c) Neutral

The center of an atom where protons and neutrons are located is called:
a) Electron cloud
b) Nucleus
c) Orbit
d) Electron shell

Answer
b) Nucleus

The number of electrons in a neutral atom is equal to the number of:
a) Protons
b) Neutrons
c) Nucleons
d) Electrons in the outermost shell

Answer
a) Protons

The atomic mass of an element is the:
a) Total number of protons and neutrons in one atom of the element
b) Total number of protons in one atom of the element
c) Total number of neutrons in one atom of the element
d) Total number of electrons in one atom of the element

Answer
a) Total number of protons and neutrons in one atom of the element

The number of protons in the nucleus of an atom determines its:
a) Atomic mass
b) Atomic number
c) Mass number
d) Atomic weight

Answer
b) Atomic number

Isotopes of an element have the same number of:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
a) Protons

Isotopes of an element have different number of:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
b) Neutrons

The term used to represent atoms of the same element with different mass numbers is:
a) Isomers
b) Isotopes
c) Isobars
d) Isotones

Answer
b) Isotopes

The sum of protons and neutrons in an atom is also known as:
a) Atomic number
b) Mass number
c) Atomic mass
d) Atomic weight

Answer
b) Mass number

An atom of an element contains 6 protons and 8 neutrons. Its mass number will be:
a) 14
b) 6
c) 8
d) 2

Answer
a) 14

The number of electrons in a neutral atom is also equal to the number of:
a) Protons
b) Neutrons
c) Electrons in the outermost shell
d) Nucleons

Answer
a) Protons

The negatively charged particles in an atom are called:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
c) Electrons

The number of protons and neutrons in an atom is equal to its:
a) Atomic number
b) Mass number
c) Atomic mass
d) Atomic weight

Answer
b) Mass number

The number of electrons in a neutral atom is equal to the number of:
a) Protons
b) Neutrons
c) Nucleons
d) Electrons in the outermost shell

Answer
a) Protons

The number of protons in the nucleus of an atom determines its:
a) Atomic mass
b) Atomic number
c) Mass number
d) Atomic weight

Answer
b) Atomic number

Isotopes of an element have the same number of:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
a) Protons

Isotopes of an element have different numbers of:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
b) Neutrons

The term used to represent atoms of the same element with different mass numbers is:
a) Isomers
b) Isotopes
c) Isobars
d) Isotones

Answer
b) Isotopes

The sum of protons and neutrons in an atom is also known as:
a) Atomic number
b) Mass number
c) Atomic mass
d) Atomic weight

Answer
b) Mass number

An atom of an element contains 6 protons and 8 neutrons. Its mass number will be:
a) 14
b) 6
c) 8
d) 2

Answer
a) 14

The number of electrons in a neutral atom is also equal to the number of:
a) Protons
b) Neutrons
c) Electrons in the outermost shell
d) Nucleons

Answer
a) Protons

The negatively charged particles in an atom are called:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
c) Electrons

The number of protons and neutrons in an atom is equal to its:
a) Atomic number
b) Mass number
c) Atomic mass
d) Atomic weight

Answer
b) Mass number

The number of electrons in a neutral atom is equal to the number of:
a) Protons
b) Neutrons
c) Nucleons
d) Electrons in the outermost shell

Answer
a) Protons

The number of protons in the nucleus of an atom determines its:
a) Atomic mass
b) Atomic number
c) Mass number
d) Atomic weight

Answer
b) Atomic number

Isotopes of an element have the same number of:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
a) Protons

Isotopes of an element have different numbers of:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
b) Neutrons

The term used to represent atoms of the same element with different mass numbers is:
a) Isomers
b) Isotopes
c) Isobars
d) Isotones

Answer
b) Isotopes

The sum of protons and neutrons in an atom is also known as:
a) Atomic number
b) Mass number
c) Atomic mass
d) Atomic weight

Answer
b) Mass number

An atom of an element contains 6 protons and 8 neutrons. Its mass number will be:
a) 14
b) 6
c) 8
d) 2

Answer
a) 14

The number of electrons in a neutral atom is also equal to the number of:
a) Protons
b) Neutrons
c) Electrons in the outermost shell
d) Nucleons

Answer
a) Protons

The negatively charged particles in an atom are called:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
c) Electrons

The number of protons and neutrons in an atom is equal to its:
a) Atomic number
b) Mass number
c) Atomic mass
d) Atomic weight

Answer
b) Mass number

The number of electrons in a neutral atom is equal to the number of:
a) Protons
b) Neutrons
c) Nucleons
d) Electrons in the outermost shell

Answer
a) Protons

The number of protons in the nucleus of an atom determines its:
a) Atomic mass
b) Atomic number
c) Mass number
d) Atomic weight

Answer
b) Atomic number

Isotopes of an element have the same number of:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
a) Protons

Isotopes of an element have different numbers of:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
b) Neutrons

The term used to represent atoms of the same element with different mass numbers is:
a) Isomers
b) Isotopes
c) Isobars
d) Isotones

Answer
b) Isotopes

The sum of protons and neutrons in an atom is also known as:
a) Atomic number
b) Mass number
c) Atomic mass
d) Atomic weight

Answer
b) Mass number

An atom of an element contains 6 protons and 8 neutrons. Its mass number will be:
a) 14
b) 6
c) 8
d) 2

Answer
a) 14

The number of electrons in a neutral atom is also equal to the number of:
a) Protons
b) Neutrons
c) Electrons in the outermost shell
d) Nucleons

Answer
a) Protons

The negatively charged particles in an atom are called:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
c) Electrons

The number of protons and neutrons in an atom is equal to its:
a) Atomic number
b) Mass number
c) Atomic mass
d) Atomic weight

Answer
b) Mass number

The number of electrons in a neutral atom is equal to the number of:
a) Protons
b) Neutrons
c) Nucleons
d) Electrons in the outermost shell

Answer
a) Protons

The number of protons in the nucleus of an atom determines its:
a) Atomic mass
b) Atomic number
c) Mass number
d) Atomic weight

Answer
b) Atomic number

Isotopes of an element have the same number of:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
a) Protons

Isotopes of an element have different numbers of:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
b) Neutrons

The term used to represent atoms of the same element with different mass numbers is:
a) Isomers
b) Isotopes
c) Isobars
d) Isotones

Answer
b) Isotopes

The sum of protons and neutrons in an atom is also known as:
a) Atomic number
b) Mass number
c) Atomic mass
d) Atomic weight

Answer
b) Mass number

An atom of an element contains 6 protons and 8 neutrons. Its mass number will be:
a) 14
b) 6
c) 8
d) 2

Answer
a) 14

The number of electrons in a neutral atom is also equal to the number of:
a) Protons
b) Neutrons
c) Electrons in the outermost shell
d) Nucleons

Answer
a) Protons

The negatively charged particles in an atom are called:
a) Protons
b) Neutrons
c) Electrons
d) Nucleons

Answer
c) Electrons

The number of protons and neutrons in an atom is equal to its:
a) Atomic number
b) Mass number
c) Atomic mass
d) Atomic weight

Answer
b) Mass number

The number of electrons in a neutral atom is equal to the number of:
a) Protons
b) Neutrons
c) Nucleons
d) Electrons in the outermost shell

Answer
a) Protons

The number of protons in the nucleus of an atom determines its:
a) Atomic mass
b) Atomic number
c) Mass number
d) Atomic weight

Answer
b) Atomic number

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See Also  11th Class Physics Chapter 3 MCQs with Answers
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