Kathy is trying to conduct an experiment she wants an element that is very reactive, which of these should she use?

What happens to the atomic radius when an elctron is lost

Areaction in which products can react to re-form reactants is

Which of the following is a physical change? a. burning a piece of wood b. sawing a piece of wood in half c. rust forming on an iron fence d. a copper roof changing color from orange to green