6.5A 6.5C Test review

6.5 A 6.5C review

by Kaylee Crain

Multiple Choice

Which of the following represents an element?

• H₂O

• NaCl

• H₂

• CaCO₃

Multiple Choice

What cannot be broken down into other substances?

• Compound

• Solids

• Mixture

• Element

Multiple Choice

What is made up two or more elements that are chemically combined?

• Element

• Compound

• Mixture

• Solids

Multiple Choice

How many elements are represented in the compound?

Na₂CO₃

• 1

• 2

• 3

• 4

Multiple Choice

An element is made up of only one kind of _____.

• isotope

• atom

• plastic

• metal

Multiple Choice

What is the picture displayed?

• atom

• molecule

• element

• compound

Multiple Choice

In this diagram, X represents...

• A compound

• An atom

• A mixture

• An element

Multiple Choice

Which example is a compound?

• N₂

• Cu

• O₂

• H₂O₂

Multiple Choice

Are there any compounds on the periodic table?

• Yes,there are many.

• No,because only elements are on the periodic table.

Multiple Choice

A _______ is the force that holds atoms together in a compound.

• Chemical Formula

• Chemical Reaction

• Chemical Bond

• Synthesis Reaction

All substances have properties that we can use to identify them.

• physical

• chemical

Physical Properties

• do not change the chemical nature of the matter.

• readily observable

• help understand how the substance will behave under various conditions

Examples of physical properties:

• magnetism

• boiling and freezing and melting point

• malleability

• measurable qualities: density, mass, and volume

• viscosity

• size and shape and color

• texture

Multiple Choice

A change in the size, shape, or state of matter.

• chemical change

• physical change

Multiple Choice

Which of the following is NOT an example of a physical change?

• crumpling paper

• sharpening a pencil

• clothes shrinking

• sour milk

Multiple Choice

A change in which NEW substances are formed.

• Chemical change

• Physical change

Multiple Choice

if there is a change in color, production of light, production of heat, production of gas, production of smell or formation of a new substance.

• physical change

• chemical change

Multiple Choice

What does it mean when there is a physical change?

• Matter has change from one substance into another.

• Matter has change on the molecular level

• A new substance has been formed.

• Matter has changed size, shape or form.