English, asked by gamersk497, 2 months ago

P: the complete course Q: is of three R: of a graduate degree S: years duration

Answers

Answered by Anonymous
2

Explanation:

He was not able to prepare triads of all the known elements. ... All the known elements could not be arranged in the form of triads. For very low mass or for very high mass elements, the law was not holding good.

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