Chemical Formulas and Names 1 (Ionic)

Multiple Choice

How many atoms of carbon (C) are in C₆H₁₂O₆?

• 3
• 6
• 12
• 24

Multiple Choice

Which of the following is a compound?

• Co
• O₂
• C
• CO₂

Multiple Choice

Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)

• H₃SO₄
• HSO₄
• H₄S₃O
• H₂O

Multiple Choice

Which pair has the same empirical formula?

• NaCrO₄ and Na₂Cr₂O₇
• C₂H₄O₂ and C₆H₁₂O₆
• C₃H₆O₃ and C₂H₆O₂
• CH₄ and C₂H₆

Multiple Choice

A formula with the lowest whole # ratio of elements in a compound is called

• Molecular Formula
• Chemical Formula
• Empirical Formula 
• Distance Formula

Multiple Choice

What is the empirical formula for C₄H₆?

• CH

• CH₃

• C₂H₃

• C₄H₆

Multiple Choice

What is the FORMULA for....
beryllium iodide

• Be₂I
• BeI
• BeI₂
• BI₂

Multiple Choice

In a chemical formula, the total positive charge and negative charge must add up to equal _____.

• 0

• 1

• 2

• 3

Multiple Choice

When writing chemical formulas, the ______ is always written first.

• Nonmetal

• Least electronegative

• negative

• positive

Multiple Choice

What is the correct chemical formula for magnesium iodide?

• MgI₂

• Mg₂I

• MgI

• Mg₂I₂

Multiple Choice

What is the correct formula for aluminum sulfide?

• Al₃S₂

• Al₂S

• AlS₂

• Al₂S₃

Multiple Choice

What is the correct name of the compound CaCl₂?

• Calcium dichloride

• Calcium dichlorine

• Calcium chlorine

• Calcium chloride

Multiple Choice

What is the correct name for the compound LiF?

• Lithium fluoride

• Lithium fluorine

• monolithium monofluoride

• lithium monofluoride

Multiple Choice

What is the name of the compound Mg₃N₂?

• manganese (II) nitride

• magnesium nitride

• magnesium nitrogen

• magnesium (II) nitride

Multiple Choice

What is the name of the compound CrN?

• chromium (II) nitride

• chromium (III) nitride

• chromium nitride

• chromium (I) nitride

Multiple Choice

What is the name of the compound FeP?

• Iron (II) phosphide

• Iron phosphide

• Iron (III) phosphide

• Iron (III) phosphorus

Multiple Choice

What is the formula for tin (II) nitride?

• Sn₃N₂
• SnN₂
• Sn₃N
• SnN

Multiple Choice

The chemical formula for an ionic compound of potassium and oxygen is

• KO.
• K₂O.
• K₂O₂.
• KO₂.

Multiple Choice

How do the following two elements bond together?
Al³⁺  O^2-         

• AlO
• Al₂O₃
• Al₃O₆
• Al₃O₂

Multiple Choice

The name of the compound NH₄F is

• Nitrogen hydrogen fluorine
• Ammonium Fluoride
• Ammonia Fluoride
• Nitrogen tetrahydride fluoride

Multiple Choice

The polyatomic ion:  SO₄^2- has the name

• Phosphate
• Sulfate
• Sulfite
• Sulfur tetra oxide

Multiple Choice

The name of Al₂(SO₄)₃ is

• aluminum sulfur oxide
• aluminum sulfate
• aluminum trisulfate
• aluminum (III) sulfate

Multiple Choice

The name of Ca₃(PO₄)₂ is

• calcium phosphide oxide
• calcium phosphate
• tricalcium diphosphate
• carbon phosphate

Multiple Choice

The name of Fe(OH)₂ is

• iron oxide
• iron hydroxide
• iron (II) hydroxide
• iron dihydroxide

Multiple Choice

The chemical formula of sodium sulfate is

• S₂SO₄
• NaSO₂
• NaSO₄
• Na₂SO₄

Multiple Choice

What is the formula for Magnesium Carbonate?

• MgCO₃
• Mg(CO₃)₂
• Mg₂CO₆
• Mg₂CO₃

Multiple Choice

What is the NAME of...
PtO₂

• platinum (II) oxide

• platinum (IV) oxide

• platinum oxide

• platinum (I) oxide