How might your superhero make use of electrical charges to move objects without touching them. HELP ME

In a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. part a write a balanced chemical equation for this reaction. express your answer as a chemical equation. identify all of the phases in your answer.

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

What is a number added in front of a formula in order to balance the equation