Chemical Balance Act

The name of the compound containing copper and chlorine is.....

• copper chlorate

• copper chlorine

• Copper chloride

• chlorine copperide

Name the compound with the elements sodium sulfur and oxygen.

• sodium sulfide

• sodium sulfuride

• sodium sulfate

• sodium sulfuroxide

calcium phosphide contains the elements are....

• calcium and phosphorus

• calcium, phosphorus and oxygen

• calcium and potassium

• carbon and phosphorus

copper sulfate contains the elements...

• copper and sulfur

• copper and sulfate

• Copper, sulfur and oxygen

• copper and oxygen

The meaning/ definition for valency is...

• The number of paired electrons occupied in the outermost shell of an atom.

• The number of electrons occupied within an atom.

• The number electrons occupied in the outermost shell of an atom.

• The number of unpaired electrons in the outermost shell.

The prefix tetra means...

• 3

• 2

• 5

• 4

The roman numeral (IV) represents the number .....

• 4

• 3

• 5

• 6

What is the valency of copper in copper (I) oxide?

• 2

• 1

• 4

• 7

The elements present in lithium hydrogen carbonate are..

• lithium, carbon and oxygen

• Lithium, hydrogen and oxygen

• Lithium, carbon, hydrogen and oxygen

• Lithium, hydrogen and carbon

Name the elements in sodium hydroxide.

• sodium and hydrogen

• sodium, hydrogen and oxygen

• sodium and oxygen

• sodium and hydroxide