Find the percentage of numbers having 3 in any
place.
Answers
Answered by
1
Answer:
Dobereiner’s Triads
Dobereiner arranged a group of three elements with similar properties in the order of increasing atomic masses and called it a triad. He showed that the atomic mass of the middle element is approximately the arithmetic mean of the other two. But, Dobereiner could identify only the following three triads from the elements known at that time.
Similar questions