The identity of a chemical element is determined by which of the following?

The number of protons it possesses

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The number of neutrons it possesses

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The number of electrons it possesses

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The sum of the number of protons and neutrons it possesses

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Solution

The correct option is A
The number of protons it possesses

An element is uniquely identified only by number of protons it contains the number of neutrons and electrons can vary without identity of element changing.

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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. 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

The chemical properties of an element are determined by the number of electrons in its atom, which in turn is determined by the number of protons.

So can we say that the chemical properties of an element are determined by the number of protons?

The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What are its atomic number and mass number ?

Which of the following statements is/ are correct about neutral elements?

(i) Atomic number = number of protons = number of electrons
(ii) Mass number = number of protons + number of neutrons
(iii) Atomic number = number of protons + number of electrons
(iv) Mass number = number of neutrons = number of electrons

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The identity of a chemical element is determined by which of the following?

The correct option is A The number of protons it possesses An element is uniquely identified only by number of protons it contains the number of neutrons and electrons can vary without identity of element changing.

The correct option is A
The number of protons it possesses

An element is uniquely identified only by number of protons it contains the number of neutrons and electrons can vary without identity of element changing.