V. Nomenclature

Which is/are the metal/s in an ionic compound Cu(NO₃)₂?

I. Cu only

II. NO₃ only

III. Both I and II

IV. Neither of the two

• A. II

• B. I

• C. IV

• D. III

We can write/name Mn³⁺ using the stock system as _______.

• A. Magnesium 3

• B. Magnesium III

• C. Manganese 3

• D. Manganese III

What is the name of the molecular compound SiC?

I. Silicon Carbonyl

II. Silicon Carbon

III. Silicon Carbide

IV. Carbon Silicon

• A. IV

• B. III

• C. I

• D. II

Which of the following statement is/are incorrect?

I. Hydrocarbons and Biological Compounds are type of an inorganic compounds.

II. Methane, Ethane and Butane are example of Hydrocarbons.

III. The prefix -hexa in naming molecular compounds pertains to number 6.

IV. HClO₅ is chloric acid.

• A. I only

• B. II only

• C. II and IV

• D. I and IV

Which of the following statement is/are correct?

I. HNO₃ is nitrous acid

II. HNO₃ is nitric acid

III. HBrO₃ is converted to HBrO₄ and named as hypobromous acid.

IV. Hydrochloric acid is the corresponding acid of chlodide ion.

• A. I, II and IV

• B. II only

• C. IV only

• C. III only

Bonus Question(5 points)

My favorite color is ___________. (2 pts)

My all time favorite korean actor is ____________. (2 pts)

I don't like ______. (1 pt)

• Green, Lee Min Ho, Dogs

• Blue, Lee Jong Suk, Cats

• Yellow, Park Hyung Sik, high places

• Pink, Park Seo Joon, dark places