In an uncharged atom, the number of protons is always the number of electrons.

greater than

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lower than

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equal to

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Solution

The correct option is C equal to
In an uncharged atom, the number of protons is always equal to the number of electrons. But in a charged atom, the number of protons is not equal to the number of electrons.
For example: Oxygen atom has 8 electrons and 8 protons. But oxygen ion ( $O^{- 2})$ has 8 protons but 10 electrons.

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Similar questions

If sodium has atomic number 11 and mass number of 23, then the number of protons, neutrons, and electrons in an uncharged atom is :

Statement 1: Number of neutrons is always greater than or equal to the number of protons in any given atom except hydrogen.
Statement 2: Number of electrons is always equal to the number of protons in a neutral atom.

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

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

Q. The number of protons is always the number of electrons in a neutral atom.

Q. Question 17
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
(c) An atom has equal number of protons and neutrons
(d) An atom has equal number of electrons, protons and neutrons

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