# Elements which have same number of protons but different number of neutrons are called as _____ ? with Answer - Everyday Science Mcqs | TestPrep

> Solved MCQ: Elements which have same number of protons but different number of neutrons are called as _____ ? Correct Answer: A. Isotopes. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Elements which have same number of protons but different number of neutrons are called as _____ ?

Direct Answer & Quick Reference

The correct option is **A. Isotopes**.

Atoms which have the same number of protons but different numbers of neutrons in the nucleus are known as isotopes. Because of the difference in the number of neutrons, they will h...

A. Isotopes **(Correct Answer)**

B. Isomers

C. Allotropes

D. Allomers

✨ Explain with AI

Verified Key: A. Isotopes
Solved by 5,478+ students

**Detailed Explanation & Reference:**

Atoms which have the same number of protons but different numbers of neutrons in the nucleus are known as isotopes. Because of the difference in the number of neutrons, they will have the same atomic number, but varying atomic mass (or mass number).

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