classification of elements

Help

The modern periodic table consists of ……………. horizontal periods and ……………. vertical groups.

7- 18

Groups of d-block take letter …………. except group …………. which consists of ……………. vertical column.

B - 8 - 3

The table in which elements are arranged according to their atomic number.

modern periodic table

Unlock this slideshow and over 4 million more with Baamboozle+

Try slideshows