What"s in a Name?

The inquiries asked top top this quiz room of five an easy forms:What is the formula of...?What is the name of...?What kind of compound is...?Which of the adhering to is a...?What are the principal types in a equipment of...?It is very important for chemists to have the ability to answer thesequestions v confidence. Clearly the very first two are important for connecting in the language that chemistry.But that"s no all. The surname of link are obtained from the surname of elements and also ions. We should be ableto recognize compounds by their type so regarding havesome idea the what their properties are. Names give us a large clueto properties, because the mechanism that has been arisen fornaming compound is based on the form of link being named.

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Learning how to name Chemical Compounds

Naming compounds and identifying types is a lot prefer checkers: The rules aresimple, but being successful takes several practice.Don"t expect to acquire this under pat overnight, and also whatever friend dodon"t suppose to have the ability to cram this because that an exam. This quiz can aid yousharpen your an abilities and obtain the trust you should perform well onyour exam. Choose a group such together binary molecule compounds or strong acids,study indigenous your book for 30 minutes, then fire up this quiz and also see exactly how well friend do.If you carry out this every day because that a main or two, you"ll be amazed just how much friend know.

Categorization through Electrolyte Type

A convenient categorization of compounds is based upon the level to which theybecome be separate (+) and also (–) ions once they dissolve in water. Come a certainextent, the way we surname a compound relies on the type of electrolyte the is.

Strong Electrolytes

Strong electrolytes separate 100% into ions as soon as they dissolve in water.They include strong acids, solid bases, and also salts. Strong acids and solid bases areeasy to identify. (There are only 7 solid acids and also about5 common solid bases.) Salts space a bit trickier come name, butstill easy to identify, together all contain metals as their (generally) first-listed element.The Seven solid AcidsFive solid BasesExamples the Salts
hydrochloric acid, HClhydroiodic acid, HIhydrobromic acid, HBrnitric acid, HNO3sulfuric acid, H2SO4chloric acid, HClO3perchloric acid, HClO4lithium hydroxide, LiOHsodium hydroxide, NaOHpotassium hydroxide, KOHcalcium hydroxide, Ca(OH)2barium hydroxide, Ba(OH)2sodium chloride, NaClmagnesium sulfate, MgSO4ammonium nitrate, NH4NO3calcium chloride, CaCl2
Notice in these instances how comparable the names are within each category.

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Weak Electrolytes

Weak acids and weak bases consist of the course weak electrolytes,which do not totally dissociate in water. In fact, this compounds are regularly only 1–5% dissociated. Principally they room in the form written once in water.Weak acidformulas usually begin with H, and also weak basic formulasalways save N. (Although not all link containing nitrogen room weak bases, all weak bases contain nitrogen.)It"s tricky. To it is in honest, many practicing chemists just look these things up top top tables!Six usual Weak AcidsThree typical Weak Basesammonia, NH3pyridine, C5H5Nmethylamine, CH3NH2
hydrofluoric acid, HFhydrocyanic acid, HCNacetic acid, HC2H3O2nitrous acid, HNO2sulfurous acid, H2SO3chlorous acid, HClO2
Notice that weak mountain and strong acids are named similarly, so just knowing thename of an acid won"t tell us if it is weak or strong. However, weak bases havea whole different--and in ~ this phase in her understanding, most likely irrational--naming system.Fortunately, you probably won"t have to know an ext than 2 or 3 names the weak bases.(Notice, though the there is "on" or "in" in the weak basic names, and there is a nitrogen atomin your formula. This is no coincidence.)


The critical category, nonelectrolytes, is huge, containingseveral million known (i.e. Studied and also named)substances. Some very important and common nonelectrolytes arebinary molecular compounds, which have a straightforward naming systemall your own. These encompass such environmentally essential compounds together water, methane,carbon dioxide, carbon monoxide, sulfur dioxide, and also most other materials of air.


What"s in a name? Well, the name of a link can offer you part clue asto exactly how it reacts, at least what happens when it disappear in water. If youremember that by learning just how to surname chemical compounds you are likewise learning hints about how castle react, then the job of finding out names may be simpler for you.YOU have the right to DO IT!