PS2 Test Review ECM Phys and Chem

An example of a physical property is

• Acidity

• Color change

• Flammability

• Density

All of the above are a physical change except

• Ice melting

• Cutting paper

• Silver tarnishes

• Changing copper metal into copper wire

A chemical property is

• Combustibility

• Boiling Point

• Density

• Melting Point

An example of a chemical change would be

• Water Freezing

• Water Boiling

• Water reacting with baking soda

• Water condensing

The simplest form of matter found on the periodic table

• atom

• compound

• element

• molecule

Signs of a chemical change include the following EXCEPT

• Gas being formed

• Heat Produced

• A precipitate forming (solid)

• Change in state

Material made up of combined atoms of two or more elements (have a definite ratio)

• Atom

• Compound

• Element

• Chemical Formula

What are the three parts in a chemical formula?

• C,H,O

• Symbols, Subscripts, Coefficients

• The periodic table, elements, atoms

• 1,2,3

What is the symbol for Carbon?

• Ca

• Cr

• Cn

• C

What is the subscript in H₂0?

• 2

• 1

• H

• O