1.) Which of the following is a molecule but not a compound?
A.He
"He" or helium is an initial for a single element and a compound has more than one element.
2.) What is a physical combination of substances?
A.a mixture
When two substances are combined they result in a compound.
3.) What is a chemical combination of substances?
A. they form a compound
When two chemical elements are combined they form a compound.
4.) What is the relationship between the solute and solvent in a solution?
B.they form a mixture
Solutes are dissolved into the solvent which results in a mixture.
