Question

In modern periodic table , in d-block there are 4 series . 3-d,4-d,5-d n 6-d . as per 10th class out of these which should be learned. n yess we do not have to learn all the (d) series just some from them. but which??​

Answer 1

we should study the 3d series the most .

as it most important

and the compound containing element of this series are to be studied further in 11th 12th ..

hope it helps

☺️☺️☺️☺️

Answer 2

Answer:

isko baat bajhana kahete hai. in my dictionary