Question

From the following set of the elements and their atomic masses obtain Dobereiner’s triad : (2) Element Br K I Cl Atomic mass 79.9 39 126.9 35.5​

Answer 1

Answer:

Explanation:

Correct option is

C

81.25

According to Dobereneir's triads, the atomic mass of Br will be average of the atomic masses of CI & I.

=  

2

35.5+127

​

 = 81.25

Answer 2

Answer:

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities.

see in attachment