Examine the list of bases below. List three patterns that...

Examine the list of bases below. List three patterns that you notice in the names and chemical formulas. $\begin{array}{ll}{\text { sodium hydroxide, NaOH }} & {\text { magnesium hydroxide, } \operatorname{Mg}(\mathrm{OH})_{2}} \\ {\text { potassium hydroxide, KOH }} & {\text { barium hydroxide, Ba(OH) }_{2}} \\ {\text { lithium hydroxide, LiOH }} & {\text { ammonium hydroxide, } \mathrm{NH}_{4} \mathrm{OH}}\end{array}$

Examine the list of bases below. List three patterns that you notice in the names and chemical formulas.
$\begin{array}{ll}{\text { sodium hydroxide, NaOH }} & {\text { magnesium hydroxide, } \operatorname{Mg}(\mathrm{OH})_{2}} \\ {\text { potassium hydroxide, KOH }} & {\text { barium hydroxide, Ba(OH) }_{2}} \\ {\text { lithium hydroxide, LiOH }} & {\text { ammonium hydroxide, } \mathrm{NH}_{4} \mathrm{OH}}\end{array}$

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Key Concepts

Hydroxide Ion Consistency

All the compounds in the list contain the hydroxide ion (OH–), which is the defining component of bases. This consistency shows that regardless of the cation attached, the chemical behavior is largely due to the presence of the hydroxide group, which characterizes basic (alkaline) compounds.

Charge Balancing and Stoichiometry

The chemical formulas reflect the need to balance the positive charge of the cation with the negative charge of the hydroxide ion. This balancing act dictates the number of hydroxide groups that must attach to a cation to achieve electrical neutrality. For example, monovalent cations combine with one hydroxide ion, while divalent cations require two hydroxide ions.

Systematic Ionic Compound Naming

The naming of bases follows a systematic pattern where the name of the cation is stated first, followed by the word 'hydroxide.' This reflects a broader naming convention in ionic chemistry that aids in identifying both the composition of the compound and its chemical properties based solely on its name.

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