Lithium, sodium and potassium form a Dobereiner's triad. The atomic masses of lithium and potassium are 7 and 39 respectively.
Answers
Answered by
102
the atomic mass of sodium will be 39+7/2
=23.
=23.
Answered by
87
There fore according to dobereiners triads, the mass of sodium is the average of masses of lithium and pottasium=(7+39)÷2=23
Similar questions