Write the formula for each of the following substances. a....

Name: Problem 29, Chapter 4: World of Chemistry
Uploaded: 2020-07-04T10:49:52-08:00
Duration: 44 s
Channel: Lottie Adams
Description: Write the formula for each of the following substances. a. lithium chloride b. cuprous carbonate c. hydrobromic acid d. calcium nitrate e. sodium perchlorate f. aluminum hydroxide g. barium hydrogen carbonate h. iron(II) sulfate i. diboron hexachloride j. phosphorus pentabromide k. potassium sulfite l. barium acetate

Write the formula for each of the following substances. a. lithium chloride b. cuprous carbonate c. hydrobromic acid d. calcium nitrate e. sodium perchlorate f. aluminum hydroxide g. barium hydrogen carbonate h. iron(II) sulfate i. diboron hexachloride j. phosphorus pentabromide k. potassium sulfite l. barium acetate

Write the formula for each of the following substances.
a. lithium chloride
b. cuprous carbonate
c. hydrobromic acid
d. calcium nitrate
e. sodium perchlorate
f. aluminum hydroxide
g. barium hydrogen carbonate
h. iron(II) sulfate
i. diboron hexachloride
j. phosphorus pentabromide
k. potassium sulfite
l. barium acetate

Key Concepts

Oxidation States and Roman Numerals

Oxidation states indicate the charge on ions when elements form compounds. Roman numerals in compound names (as in a cuprous or iron(II) compound) are used to indicate the specific oxidation state of an element, which is essential for determining the correct ratio of ions in the formula.

Acid Nomenclature

Acid nomenclature is the system used to name acids which generally consist of hydrogen combined with a non-metal or a polyatomic ion. The naming often reflects the composition of the acid, with the prefix 'hydro-' for binary acids and the suffix changes indicating oxoacids.

Polyatomic Ions

Polyatomic ions are charged entities composed of several atoms bound together that function as a single unit in chemical compounds. Recognizing common polyatomic ions (like carbonate, nitrate, acetate, etc.) is crucial for correctly representing the formulas of compounds containing them.

Ionic Compounds

Ionic compounds are formed by the electrostatic attraction between positively charged cations and negatively charged anions. Writing formulas for ionic compounds necessitates the use of subscripts to indicate the number of ions needed for charge neutrality.

Chemical Formula Representation

This concept involves writing chemical formulas that denote the specific elements present in a compound along with their ratios. It requires balancing the charges (for ionic compounds) or counting the number of atoms (for molecular compounds) to reflect the compound's composition accurately.

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