How many electrons, protons, and neutrons are in a neutral atom of the following isotope of gadolinium

${ }_{64}^{160} \mathrm{Gd}$

A) 64 electrons, 64 protons, and 160 neutrons
B) 64 electrons, 64 protons, and 96 neutrons
C) 96 electrons, 96 protons, and 64 neutrons
D) 64 electrons, 96 protons, and 96 neutrons
E) None of the above are correct

Question

How many electrons, protons, and neutrons are in a neutral atom of the following isotope of gadolinium

${ }_{64}^{160} \mathrm{Gd}$

A) 64 electrons, 64 protons, and 160 neutrons
B) 64 electrons, 64 protons, and 96 neutrons
C) 96 electrons, 96 protons, and 64 neutrons
D) 64 electrons, 96 protons, and 96 neutrons
E) None of the above are correct

Quizplus · Accepted Answer

The isotope given in the question has the symbol 11ea7498_3a84_e434_a57a_731bf15acaff_TB3247_11, which can be broken down as follows: 
- Atomic number (Z) = 64, which means there are 64 protons in the nucleus. 
- Mass number (A) = 157, which means there are 157 total particles in the nucleus (i.e. protons + neutrons). 
To find the number of neutrons, we subtract the atomic number from the mass number: 
- Neutrons = A - Z = 157 - 64 = 93 
Therefore, a neutral atom of this isotope would have 64 electrons (since the number of electrons equals the number of protons in a neutral atom), 64 protons, and 93 neutrons. The only option that matches this description is B.

How Many Electrons, Protons, and Neutrons Are in a Neutral 64160Gd{ }_{64}^{160} \mathrm{Gd}64160​Gd

How Many Electrons, Protons, and Neutrons Are in a Neutral ${ }_{64}^{160} \mathrm{Gd}$