Atomic mass of an element is equal to the total number of __________ present in an atom of that element.

protons, electrons and neutrons

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protons and neutrons

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electrons and neutrons

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protons and electrons

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Solution

The correct option is B
protons and neutrons

A = p + e

(Atomic Mass) (No. of protons) (No. of electrons)

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Similar questions

(a) an atom has equal number of electrons and protons

(b) an atom has equal number of electrons and neutrons

(d) an atom has equal number of electrons, protons and neutrons

Which of the following statement is correct about the atom of an element ?

(a) an atom can have only protons and neutrons but no electrons.

(b) an atom can have only electrons and neutrons but no protons

(d) an atom must always have a proton, neutron and electron

An atom consists of protons surrounding a nucleus that contains electrons and neutrons.

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