The symbol for an element can be found on the ________ _____.

(a)  

Fe is the ______ ______ for Iron.

(a)  

A (a)   is formed when one or more elements combine chemically.

A formula is used to represent a (a)  

NaCl is the (a)   for sodium chloride.

A _____ ________ has a definite composition that will not vary.

(a)  

A (a)   is a combination of many different elements not chemically combined.

Mixtures will not be represented by a (a)   .

It is very (a)   to separate a mixture.

(a)   is everything around us, it takes up space and has mass.

A (a)   is the smallest particle in a chemical element or compound. It is

made up of two or more atoms.