Isoelectronic species have:

Same atomic mass

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Same number of electrons

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Same number of neutrons

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Same number of protons

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Solution

The correct option is B
Same number of electrons

The atoms and ions which contain the same number of electrons are known as isoelectronic species.

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_{Z} X^{A}

| (A - 2 Z) |

Question 07

Two atoms are said to be isobars if ?

(a) They have same atomic number but different mass number

(b) They have same number of electrons but different number of neutrons

(d) Sum of the number of protons and neutrons is same but the number of protons is different

_{Z} X^{A}

| (A - 2 Z) |

Nuclei with same number of protons but different number of neutrons are called ___.

Nuclei with same number of neutrons but different atomic number are called ___.

Nuclei with same mass number are called ___.

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