What is the molar mass, in grams, of a mole of an element equal to?
a. the number of electrons in the element
b.
the atomic weight of the element
c. the atomic number of the element
d. the number of neutrons in the element

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