Question

What are two characteristics of Calcium and two characteristics of Radium?

Answer 1

HI Mabel,

Calcium Characteristics:

1. Calcium is reactive
2. Calciums is a soft metal
3. Calcium creates a mixture of oxide and nitride which creates a coating to prevent itself from corrosion.

Radium Characteristics:

1. Radium is silvery
2. Radium is intensely radioactive
3. Radium is luminescent

Hope This Helps!