Question

why are the elements sodium and potassium in the same period of periodic table?I will mark you as brainliest

Answer 1

Answer:

Small correction in your question. Well Sodium and Potassium are placed under the same group and not the same period.

Reason: Sodium and Potassium exhibit similar properties between each other due to which they are placed under the same group.

The properties are:

• Same Valence electrons and Valency
• Forms oxides with the formula X₂O ( X = Na, K )
• Forms chlorides with the formula XCl ( X = Na, K )
• Exhibit High reactivity due to small size and free cations
• Are soft and form soluble hydroxides when mixed with water.

This is the required answer.