Question

Why was Newlands’s periodic table rejected

Answer 1

There Are Various Reason Newlands Periodic Table Was Rejected Some Are.

• metal and non metal werent distinguinshed properly
• groups contained elements that werent exactly similar
• no gaps for the undiscoverd elements
• it wasnt valid for atomic masses above that of calcium (the relationships between the "octaves" started to break down)

Answer 2

$\huge\textsf\red{Answer}$

It was applicable up to calcium. For example, iron was grouped with oxygen and sulphur whereas it has properties similar to cobalt and nickel.