Which of the following elemants is the smallest?

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

What material does not melt at any temperature