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Atoms

Which of the ...

Question

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

(c) an atom can have only electron and proton but no neutron

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

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Solution

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

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Q. Which of the following statement is always correct?

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

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

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

Q. Question 17
Which of the following statement is always correct?

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