Why is the chemical symbol for lead pb? ? ^__^ i hate the perdiotic**

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

An experimental procedure requires a 10 ml of acid to be dissolved

What is a metal replacement reaction