List the short period, long period and incomplete periods in the modern periodic

table

1 Answer

Answer :

Periodnumber

1st

2

nd

Description

Veryshort

8 elements (Li to Ne)

Long 18 elements (K to Kr)

Very long 32 elements (Cs to Rn)

Short

5 Long

4

th

6

th

7th

2 (H & He)

Short 3rd

th

Number of elements

incomplete

8 elements ( Na to Ar)

18 elements (Rb to Xe)

Rest of the elements

(Fr onwards)

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