1.

3.) Deline Moderan periodic law and discuss the differentblocks in the modem periodic table.

Answer»

ANSWER:

modern periodic law is is the physical and chemical properties of an element are periodic function of its atomic number.

Blocks:

wherever the valence electron is present will be defined as the block of an element.

Ex.

S block which contains two GROUPS that is is alkali metal and Alkali metal group. with max 2 valence electron in it's LAST shell.

P block which contains group 13 to 18

D block that is TRANSITION elements

F block that is inner transition metals



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