Number of Electron, Proton & Neutron Past Year (2006 - 2015) MCQs Structure of Atom Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

1(current)

An element X has the following isotopic composition:
²⁰⁰X: 90%
¹⁹⁹X: 8.0%
²⁰²X: 2.0%
The weighted average atomic mass of the naturally-occurring element X is closest to:

1. 200 amu
2. 201 amu
3. 202 amu
4. 199 amu

Subtopic: Number of Electron, Proton & Neutron |

67%

From NCERT

AIPMT - 2007

To view explanation, please take trial in the course.

NEET 2023 - Target Batch - Aryan Raj Singh

Hints

To view explanation, please take trial in the course.

NEET 2023 - Target Batch - Aryan Raj Singh

1(current)

Q. No.

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions

Add Note