The mass number of an atom is the sum of the number of protons and number of neutrons in an atom.
If it is true enter 1 else 0.

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Solution

Mass number is the sum of number of protons and neutrons which is indicated with letter $A$ .
For example the mass number ( $A$ ) of $H e$ is $4$ i.e two protons and two neutrons.
So the given statement is True.

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Similar questions

The mass number of an atom is determined by the number of protons and neutrons. Calculate the mass number of a Sodium (Na) atom if the number of neutrons in it are 12.

Q. Assertion :The mass number of an atom is the sum of number of protons and neutrons it contains. Reason: The mass number of an atom can never be smaller than the atomic number.

Q. Which of the following are true for an element?
(i) Atomic number = number of protons + number of electrons
(ii) Mass number = number of protons + number of neutrons
(iii) Atomic mass = number of protons = number of neutrons
(iv) Atomic number = number of protons = number of electrons

Q. In an atom the sum of neutrons and protons is

14

. The number of neutrons is two more than number of protons. The atom is :

Is atomic mass the sum of the number or mass of protons and neutrons.

If it is sum of number , then why is it called atomic MASS

And if it is sum of mass then how do we know the no of neutrons and proton sin the atom.

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The mass number of an atom is the sum of the number of protons and number of neutrons in an atom. If it is true enter 1 else 0.

Mass number is the sum of number of protons and neutrons which is indicated with letter A.For example the mass number (A) of He is 4 i.e two protons and two neutrons.So the given statement is True.

The mass number of an atom is the sum of the number of protons and number of neutrons in an atom.
If it is true enter 1 else 0.

Mass number is the sum of number of protons and neutrons which is indicated with letter $A$ .
For example the mass number ( $A$ ) of $H e$ is $4$ i.e two protons and two neutrons.
So the given statement is True.