Question

1.DidDobereiner'striadsalsoexistinthecolumns

ofNewland'soctaves?Compareandfindout.​

Answer 1

$\huge\rm\underline\red{ANSWER = }$

Only one triad of Dobereiner's triads exists in the columns of Newlands' octaves. For example, the second column of Newlands' classification has the elements lithium (Li), sodium (Na) and Potassium (K), which is a part of a Dobereiner's triad.