Chemistry Quiz

What characteristic is unique to Noble Gases among the elements?

• They form bonds to be stable

• They are the only type of elements stable in atomic form

• They are all liquids at room temperature

• They are all radioactive

Which of the following is not a Noble Gas?

• Ar

• Kr

• Cl2

• Xe

What do other elements do to achieve stability?

• Remain in atomic form

• Form bonds

• Decompose into simpler substances

• Become inert gases

What is an ionic compound generally made of?

• Two or more nonmetal atoms

• Only metal atoms

• Metal (forms + ion) and nonmetal (forms - ion)

• Only nonmetal atoms

What is a molecular compound made of?

• Metal atoms only

• Nonmetal atoms only

• Both metal and nonmetal atoms

• Two or more nonmetal atoms

Can an ionic compound contain a polyatomic ion?

• Yes, it can contain a polyatomic ion

• No, it cannot contain a polyatomic ion

• Yes, but only if it also contains a molecular ion

• No, it can only contain monatomic ions

What is the name of the polyatomic ion with the formula NH4+?

• Nitrite

• Ammonium

• Cyanide

• Hydroxide

Which ion is represented by the formula SO4 2-?

• Sulfite

• Hydrogen sulfate (Bisulfate)

• Sulfate

• Hydrogen sulfite (Bisulfite)

What is the formula for the acetate ion?

Which of the following ions is also known as bicarbonate?

• CO3 2-

• HCO3-

• SO3 2-

• HSO4-