Consider the chemical formula for calcium chlorate: Ca(ClO3)2 How many of each of these atoms is in a molecule of calcium chlorate? Ca: Cl: O:

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost