
Train your brain to notice features of a chemical formula by dividing it into left and right sides, capturing a capital, capital–lowercase, or capital with H on the left side.
Memorize the 10 essential elemental names and abbreviations by using a 10-block core family matrix, with rounds that present names then symbols, and later symbols then names for quick recall.
Practice naming the ten core family elements in formulas, considering left or right side positions or when alone, and apply the right-side -ide names such as nitride, sulfide, and fluoride.
Learn to memorize core family oxyanion names by pairing symbols with three or four oxygen, recognizing -ate endings, with examples like carbonate, nitrate, chlorate, bromate, iodate, phosphate, sulfate, and selenate.
Develop automatic right-side naming in chemical formulas by practicing core family names, with active rounds naming right-side species such as phosphorus, oxygen, chlorine, nitrogen, and sulfur.
Explore the starter family of left side elements and how to name compounds by pairing right side names with left side symbols, using silver chloride and ammonium nitrate as examples.
Learn to name right-side hydrogen-containing groups resembling carbonate, sulfate, and phosphate, and practice naming left-side elements from memory through active training rounds and formula splits.
Identify oxyanion groups that resemble core family groups, and apply the one less oxygen rule for -ite forms compared with -ate forms, such as sulphite and sulphate.
Learn to name oxyanion families by adding or removing oxygens with the prefixes per and hypo, using chlorate, bromate, and iodate as models with examples like perchlorate and hypochlorite.
lesson 10 introduces seven new left-side elements from the far side of the periodic table and guides you in naming the entire formula with this extended left-side set.
Explore four new right side groups—cyanide, hydroxide, oxalate, and acetate—built from carbon, nitrogen, oxygen, and hydrogen. Master their -ide endings with examples like sodium cyanide and potassium acetate.
Review how to translate a chemical formula into a name by separating left and right side elements, with left-side names and right-side endings with -ide; memorize ammonium, carbonate, sulfate, iodate.
download the mastery quiz and answer key for lesson 13 on elements, or watch an online, animated version of the quiz and key.
Translate a chemical name into a formula by balancing left and right sides with appropriate subscripts and charged symbols, using parentheses for groups, illustrated by silver sulfide and ammonium sulfate.
Practice assigning subscripts by criss-crossing charge symbols and balancing overall charge, using parentheses for grouped elements, and applying diatomic element rules in examples like zinc chloride and ammonium sulfide.
Practice writing chemical formulas from names by memorizing the seven diatomic elements and the charged symbols of core and starter family elements, then balance formulas using criss-cross.
Practice translating substance names into chemical formulas by balancing charges with criss-cross rules for ions from the extended family and right-side groups, including examples like sodium cyanide and lithium acetate.
Learn to write chemical formulas from names by distinguishing single-element and left-right names, memorize diatomic elements, and apply charge symbols to balance ions.
Practice recalling chemical formulas from substance names and recall charged symbols for left and right side elements and groups, using the mastery quiz and answer key as study aids.
Learn how left-side transition metals use roman numerals to encode variable charges, with chromium, manganese, iron, cobalt, nickel, copper, mercury, tin, and lead, and how to translate between names and formulas.
Learn how to name three transition metal oxyanions, such as chromate and permanganate, including roman numerals for metals like nickel and iron to balance charges.
Review lesson 20 to prepare for mastery quiz and lesson; memorize charge symbols for permanganate, chromate, and die chromate; apply roman numerals to left side transition elements when balancing formulas.
Assess your mastery of writing formulas from substance names and naming compounds from formulas, using downloadable mastery quiz and answer key, or watch the online video version.
Identify formulas with hydrogen on the left and distinguish acid names from substance names. Use the hydro prefix for core-family acids and review examples like hydrochloric and hydrofluoric acids.
Learn to name acids by identifying right-side ion groups, applying ic or ous endings, and using hydro- prefixes for ide endings, with examples like sulfuric and acetic acids.
Identify when both left and right sides are core-family elements and translate formulas using numerical prefixes such as mono through deca to name the substance.
Explore hydrogen's role in formulas, including right-side hydride, left-side acid formation with carbon, nitrogen, and oxygen, and memorize common names like methane, ammonia, water, and hydrogen peroxide.
Learn to name hydrates by appending numerical prefixes to the hydrate name after the formula, indicating h2o units, with examples like penta hydrate and deka hydrate, including 10 h2o units.
Memorize ten more common elements, including cesium, beryllium, gold, boron, silicon, and noble gases like helium, neon, krypton, xenon, and learn nomenclature for coordination compounds, Zygons, and transition metals.
Complete the final mastery quiz to test your ability to write formulas from substance names and determine names from formulas, using the downloadable quiz and answer key.
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