Chemistry 1 - Elements and Compounds Assessement

An (a)   cannot be broken down into any other substance.

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.