Alkali Metals Quiz

Ke dalam kelompok tabel periodik mana logam alkali termasuk?

• Kelompok 1

• Kelompok 2

• Kelompok 3

• Kelompok 4

Berapa banyak elektron valensi yang dimiliki oleh logam alkali?

• 1

• 2

• 3

• 4

What happens when alkali metals react with water?

• They produce oxygen gas

• They produce hydrogen gas

• They produce carbon dioxide gas

• They produce nitrogen gas

Which alkali metal reacts most vigorously with water?

• Lithium

• Sodium

• Potassium

• Rubidium

What color flame does potassium burn with?

• Red

• Yellow

• Blue

• Lilac

Which alkali metal is radioactive and very rare in nature?

• Lithium

• Cesium

• Francium

• Rubidium

What happens to the softness of alkali metals as you move down the group?

• It increases

• It decreases

• It remains the same

• It fluctuates