The number of protons, neutrons, and electrons in  \( _{71}^{175}Lu\) respectively, are:

1.  104, 71 and 71

2.  71, 71 and 104

3.  175, 104 and 71

4.  71, 104 and 71

Subtopic:  Introduction of Atomic Structure | Number of Electron, Proton & Neutron |
 81%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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

The nuclei of which one of the following pairs are isotones:

1. \(34 \mathrm{Se}^{74},{ }_{31} \mathrm{Ga}^{71}\) 2. \({ }_{38} \mathrm{Sr}^{84},{ }_{38} \mathrm{Sr}^{86}\)
3. \({ }_{42} \mathrm{Mo}^{92},{ }_{40} \mathrm{Zr}^{92}\) 4. \({ }_{20} \mathrm{Ca}^{40},{ }_{16} \mathrm{~S}^{32}\)
Subtopic:  Number of Electron, Proton & Neutron |
 82%
From NCERT
AIPMT - 2005
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