Friday, 5 January 2018

If bromine atom is available in the form of, say, two isotopes 79 Br (49.7%) 35 and 81 Br (50.3%). 35 calculate the average atomic mass of bromine atom.

Answer : The average atomic mass of bromine atom  (79 × 49.7 ) / 100 + ( 81 × 50.3)/ 100 =(3926.3 + 4074.3 ) / 100 = 8000.6 / 100= 80.06 u

This is an answered question from Chapter 4. Structure Of The Atom of CBSE Class 9th Science

Check for Complete Exercise Solution for Chapter 4. Structure Of The Atom | CBSE Class 9th Science

No comments:

Post a comment