As compared to lithium, sodium reacts quickly with water because

Sodium oxide reacting with water

Sodium carbonate is soluble in water because

In dry air, lithium and sodium react to give

What is the reason that sodium reacts with water more vigorously than lithium?

What will happen when sodium reacts with cold water?

When compared to lithium, it is easier to remove valence electron from K (potassium) because potassium has lower ________.