Question

Explain the different types of elements in periodic table.Write two characteristics of each​

Answer 1

Answer:

The horizontal rows of elements in a periodic table are called periods. Characteristics:

(i) The elements in a period have consecutive atomic numbers.

(ii) The number of elements in period is fixed by the maximum number of electrons which can be accommodated in various shells.

Characteristics:

The vertical columns in a periodic table are called group characteristics

(i) The elements in a group do not have consecutive atomic numbers.

(ii) All the elements in a group have similar electronic configurations and show similar properties.

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