Chemistry Review 2

When blue litmus paper is placed in a solution and it stays blue, it is a what?

• a base

• an acid

• a neutral

• neither acid or base

When two or more elements are chemically combined, it is called a what?

• an element

• a chemical property

• a compound

• a mixture

When mixing the compound vinegar with the compound vinegar, fizzing and bubbling is formed creating a gas. What is this an example of?

• a physical change

• a chemical change

Which of the following does NOT belong?

• Boron

• Aluminum

• Arsenic

• Antimony

USE YOUR PERIODIC TABLE: Which element is NOT found in period 3?

• Sodium

• Silicon

• Chlorine

• Zinc

USE YOUR PERIODIC TABLE: Which element is found in group 8, period 4? Use your fingers to connect them, like on a graph.

• Potassium

• Cobalt

• Iron

• Phosphorus

Which of the following is a chemical property?

• Color Change

• Melting

• Precipitate

• Malleable

TRUE OR FALSE: When something is ductile, it is able to be drawn into wire.

• True

• False

When an element is luster, it is what?

• dull

• shiny

• malleable

• dense

When two or more substances are blended together and can be taken apart easily, it is called a ______.

• compound

• an element

• reaction

• mixture