TSA Science 7 - Randolph - Elements, Compounds, and Mixtures

A(n)_______________________ cannot be broken down into any other substance.

• molecule

• compound

• element

• mixture

The chemical symbol for an element can be found on the _________________________

• index of elements

• Table of Mendeleev

• table of contents

• periodic table

Fe is the _____________ for Iron.

• chemical formula

• chemical symbol

• chemical compound

• chemical equation

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

• super element

• mixture

• compound

• atom

A chemical formula is used to represent a(n) _________________.

• compound

• element

• mixture

• atom

NaCl is the _____________ for sodium chloride.

• chemical equation

• chemical sentence

• chemical symbol

• chemical formula

A(n) __________________________ has a definite composition that will not vary

• pure substance

• pure equation

• pure mixture

• pure symbol

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

• compound

• mixture

• molecule

• element

Mixtures will be represented by a chemical formula.

• True

• False

Mixtures can be separated by __________________ means.

• physical

• chemical