Question

9. The modern periodic table is divided into which blocks?​

Answer 1

Answer:

the modern periodic table is divided into four blocks s,p,d,f.

Answer 2

Answer:

four blocks

❄️ Elements in the long form of periodic table have been divided into four blocks i.e. s ,p ,d and f. This division is based upon the name of the orbitals which receives the last electron. 1⃣ Elements in which the last electron enters the s orbital of their respective outermost shells are called s block elements.

Explanation:

There are four main groups of elements in the periodic table: main group metals, non-metals, metalloids, and transition metals (See types of elements). There are 4 blocks in the periodic table.