State the number of protons, electrons & neutrons in atom $B$ whose atomic number is $11$ and mass number is $23$ .

11, 11, 12

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

11, 12, 12

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

11, 11, 11

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

12, 11, 11

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

Open in App

Solution

The correct option is A $11, 11, 12$
Atomic number of $B = 11$ = no. of electrons = no. of protons
Mass number $= 23 =$ no. of protons + no. of neutrons
Therefore no. of neutrons $= 23 - 11 = 12.$

Suggest Corrections

Similar questions

If sodium has atomic number 11 and mass number of 23, then the number of protons, neutrons, and electrons in an uncharged atom is :

23

11

11

24

=

=

=

Join BYJU'S Learning Program