The horizontal rowsin the modern periodic table are called ........

General Studies (CGL) General Science

The horizontal rowsin the modern periodic table are called:

This questions was previously asked in

SSC CGL 23rd August 2021 Shift-2

periods

families

groups

clusters

- Option 1: Periods

- Horizontal rows in the periodic table are called periods.

- Elements in the same period have the same number of electron shells.

- Properties gradually change as you move across a period.

- This is the correct answer.

- Option 2: Families

- Not a standard term for horizontal rows.

- Sometimes used interchangeably with groups.

- Option 3: Groups

- Vertical columns in the periodic table.

- Elements in the same group share similar chemical properties.

- Option 4: Clusters

- Not a term used in the context of the periodic table.

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