$U_{235}$ has an atomic number $92$ , it has ________ neutrons.

235

No worries! We‘ve got your back. Try BYJU‘S free classes today!

92

No worries! We‘ve got your back. Try BYJU‘S free classes today!

143

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

142

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $143$
No. of neutrons = Mass no. $-$ No. of protons
$= 235 - 92 = 143$

Suggest Corrections

Similar questions

If three neutrons are added to the nuclei of $_{92} U^{235}$ , the new nucleus will have an atomic number of

_{92} U^{235}

_{92}^{235} U

_{54}^{142} X e

_{38}^{90} S r

Calculate the number of neutrons emitted when $_{92} U^{235}$ undergoes controlled nuclear fission to $_{54} X e^{142}$ and $_{38} S r^{90} .$

(IIT-JEE, 2010)

Join BYJU'S Learning Program