What is the mass number of aluminium if it has 13 protons and 14 neutrons?

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

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

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

Open in App

Solution

The correct option is C 27
Given that aluminium has 13 protons and 14 neutrons.
We know that,
Mass number = Number of protons + Number of neutrons
= 13 + 14 = 27.
$∴$ The mass number of aluminium is 27.

Suggest Corrections

Similar questions

13

14

2

An atom has 12 protons, 12 electrons and 12 neutrons. Its mass number is _______ and atomic number is ________.

Join BYJU'S Learning Program