Mastering Chemical Formulas and Compound Naming

This video tutorial reviews naming compounds and writing chemical formulas, covering binary ionic compounds, transition metals, polyatomic ions, and covalent compounds. It explains the rules for naming each type, including the use of Roman numerals for transition metals and prefixes for covalent compounds. The tutorial also provides guidelines for writing chemical formulas using the crisscross method and emphasizes the importance of correct formula writing for balancing chemical reactions.

What is the correct name for the compound AlBr3?

• Aluminum Bromide

• Aluminum Bromine

• Aluminum Bromite

• Aluminum Bromate

What is the correct name for the compound Ba3N2?

• Barium Nitride

• Barium Nitrogen

• Barium Nitrite

• Barium Nitrate

How do you determine the charge of a transition metal in a compound?

• By looking at the nonmetal's charge

• By using the periodic table

• By using the metal's atomic number

• By guessing based on the metal

What is the correct name for the compound Fe2O3?

• Iron(I) Oxide

• Iron(II) Oxide

• Iron(IV) Oxide

• Iron(III) Oxide

What is the polyatomic ion in the compound NaNO3?

• Nitrogen

• Nitride

• Nitrite

• Nitrate

What is the correct name for the compound K2CO3?

• Potassium Carbonate

• Potassium Carbonite

• Potassium Carbide

• Potassium Carboxide

What is the first step in writing chemical formulas for binary ionic compounds?

• Write each element's symbol

• Write the subscripts

• Balance the charges

• Determine the charge of each element

What is the correct formula for magnesium nitride?

• MgN2

• Mg3N2

• Mg2N3

• MgN

What is the correct formula for cesium sulfate?

• Cs2SO4

• CsSO4

• Cs2S

• CsS2O4

What is the correct formula for phosphorus pentachloride?

• P5Cl

• PCl3

• PCl5

• PCl2