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All quizzes
Every published quiz on ThreeRoads.
- IE
Identify elements 81–90 by name
Given atomic numbers 81–90, name each element by its official English name (one answer per atomic number).
10 Q0 takes - D(
Dysprosium (Dy) — high-temperature magnets and nuclear capture
Ten short-answer questions about dysprosium's basic properties, roles in high-temperature magnets, isotopes, and coordination chemistry.
10 Q0 takes - NO
Name Origins: Etymology for 31–40
Give the origin (person, place, property, or language root) of the name for each element with atomic number 31–40.
10 Q0 takes - S3
Symbols-to-Names: 31–40 Challenge
Given a chemical symbol from atomic numbers 31–40, supply the full element name (e.g., 'Ge' → 'germanium').
10 Q0 takes - GT
Gallium through Zirconium: Name-to-Symbol Rapid Recognition
Given an element name (atomic numbers 31–40), enter the correct one- or two-letter chemical symbol. Answers are case-insensitive; common variants are accepted.
10 Q0 takes - SA
Symbols, Atomic Numbers, and Period/Group Positions (Sc–Zn)
Identify atomic numbers, group numbers, or period positions for the elements with atomic numbers 21–30 (Sc–Zn).
10 Q0 takes - TI
Typical Ionic Forms and Common Ions (Sc–Zn)
Give the canonical ionic form(s) and commonly encountered cation(s) for each element Sc → Zn (e.g., oxidation-state ionic notation like Fe2+).
10 Q0 takes - AV
Alkali vs Alkaline-Earth: Group Membership for 11–20
For each element with atomic number 11–20, state whether it is an alkali metal, an alkaline-earth metal, or neither (IUPAC group classification).
10 Q0 takes - E1
Elements 1–10 Reverse: Name to Symbol
Given the element name for elements 1–10, enter its one- or two-letter chemical symbol (case-insensitive).
10 Q0 takes - E1
Elements 1–10 by Symbol (Symbol to Name)
Given a chemical symbol for one of the first ten elements, provide the element's full name (e.g., O → Oxygen).
10 Q0 takes - E1
Elements 1–10 by Name (Atomic Number to Name)
Given an atomic number from 1 to 10, name the corresponding chemical element.
10 Q0 takes - WC
World Capitals — Capitals Not the Largest City
Name the national capital (not the country's largest city) for each country named.
10 Q0 takes - WC
World Capitals — 60-Second Speed Run
Name the national capital for each country (UN-recognized sovereign states only). Spelling must be correct.
12 Q0 takes - CI
Capitals in Native Script (Arabic)
Identify the national capital from its name written in Arabic script. Provide the canonical English name of the city.
10 Q0 takes - CI
Capitals in Native Script (Cyrillic)
Identify the capital city given in Cyrillic; respond with the common English exonym.
10 Q0 takes - PC
Planned Capitals: Identify the Purpose-Built Seat
For each country, state whether its current capital was a purpose-built planned city; if yes, name that planned capital.
10 Q0 takes - CI
Capitals in the Northern Hemisphere
Name the official capital city (located in the Northern Hemisphere) for each listed country or region.
12 Q0 takes - CI
Capitals in the Southern Hemisphere
Name the official national capital city (located entirely in the Southern Hemisphere) that matches each prompt.
12 Q0 takes - CT
Capitals that are the country's eponym (same root)
Name the country whose name shares the same root as the given capital city (e.g., Luxembourg City → Luxembourg).
12 Q0 takes - SC
Same-name capitals in different countries (pairs)
Match each city name to the country whose national capital (or well-known capital city) has that name — the same name also appears as a major city in another sovereign state.
10 Q0 takes - CT
Capitals that share names with US towns
Given a capital city name that also appears as one or more towns in the United States, name the sovereign country of that capital.
10 Q0 takes - CR
Capitals relocated in the 20th century — name the new capital
Name the city that replaced the given former capital (or became the country's capital) during the 20th century.
8 Q0 takes - GT
Given the capital (not largest city), name the country
Given an administrative capital that is smaller than the country's largest city, name the country that uses this city as its capital.
12 Q0 takes - CT
Capitals that are not the country's largest city — identify the capital
Given the country, name its official capital (the capital is not the country's largest city).
12 Q0 takes