Long Exam 1: Chemical and Formula Writing (CAHINORL)

Which of the following describes a binary ionic compound?

• O₂

• NO₂

• MgCl₂

• Fe(OH)₃

• all of the above

Answer explanation

What is the correct name of CCl₃

• carbon (III) chloride

• monocarbon tertachloride

• carbon tetrachlorine

• carbon tetrachloride

• no correct answer

Which is INCORRECT?

• Baking powder - sodium bicarbonate

• Green Vitriol - Ferrous Sulfur

• Laughing Gas - Nitrous Oxide

• Sugar - Sucrose

• no correct answer

Calcium Sulfate is a naturally occurring calcium salt that has been a long history of use in medicine and dentistry. What is its correct chemical formula?

• CASO₄

• CaSO^4-

• CaSo

• CaSO₄

Complete the sentence below.

Metal lose electrons forming ______ while non-metals gain electrons forming ______.

• anions, cations

• anions, captions

• cations, anions

• cathodes, anodes

Copper (II) has an ion symbol of

• Cu²⁺

• Cu₊₂

• CuI

• CU⁺²

Which of the following chemical element has its correct chemical symbol?

• Lead - Ld

• Iron - Fer

• Sodium - So

• Silver - Si

• no correct answer

What is the correct chemical formula of Phosphorus trioxide?

• P₃O₂

• PO₄

• PO₃

• P₂O₃

• no correct answer

Na₃AlO₃ is the chemical formula for:

• Sodium aluminum

• Sodium aluminate

• Sodium meta aluminate

• Sodium aluminum oxygen

Sulfur heptafluoride contains how many fluoride atoms?

• seven

• eight

• five

• six