| 2,264,450 | Elements of the Periodic Table |
| 199,122 | Elements by Symbol |
| 189,976 | Periodic Table Quiz - First 20 Elements |
| 152,614 | Most Common Elements in the Human Body |
| 136,847 | Elements - Sudden Death |
| 133,248 | Element... or Pokémon? |
| 105,773 | Speed Symbol by Element |
| 103,618 | Periodic Table Elements A-Z |
| 94,916 | Chemical Elements with Short Names |
| 94,232 | Random Symbol to Element |
| 94,045 | Metals of Antiquity |
| 82,564 | Elements with One-Letter Symbols |
| 81,610 | Click the Chemical Element |
| 81,254 | Periodic Table Symbols |
| 78,986 | Noble Gases |
| 71,031 | Periodic Table Elements Mentioned in the Bible |
| 70,497 | Name a Valid Element |
| 70,412 | Elements by Picture |
| 65,195 | Elements that are Gases at Room Temperature |
| 62,886 | Periodic Table Elements by Clue #1 |
| 57,521 | One Letter Periodic Table Symbols - Sudden Death |
| 55,244 | Answers are Elements #2 |
| 54,223 | Category Elimination - Elements |
| 53,015 | Answers are Elements #1 |
| 52,616 | Elemental Words |
| 48,346 | Most Guessed Elements on JetPunk |
| 42,387 | First 30 Elements Periodic Table |
| 38,257 | First Twenty Elements - Sudden Death |
| 32,116 | Lightest Chemical Elements A-Z |
| 25,050 | Elements Named for Countries |
| 21,274 | First 40 Elements |
| 19,804 | Click Every Chemical Symbol |
| 18,960 | Elements Whose First Letter Doesn't Match the Symbol |
| 15,556 | First 50 Elements |
| 14,137 | Name the Metal Alloy |
| 13,953 | Elements of the Periodic Table by Symbol |
| 13,294 | Periodic Table Symbols - Sudden Death |
| 12,360 | Periodic Table Elements by Clue #2 |
| 11,479 | Random Elements on the Periodic Table |
| 10,675 | Random Element to Atomic Number |
| 9,538 | First 60 Elements |
| 8,978 | Periodic table challenge - IN ORDER! |
| 8,363 | Periodic Table of Elements - in Order |
| 7,881 | All Elements of The Periodic Table - Sudden Death (Hard) |
| 7,863 | Name Elements Containing Each Letter A-Z |
| 7,761 | The Elements of the Periodic Table |
| 7,428 | Click the Chemical Element #2 |
| 6,822 | Countries That Discovered the Elements of the Periodic Table |
| 5,606 | Elements of The Periodic Table - Sudden Death |
| 5,071 | Click the Element on the Periodic Table |
| 5,048 | Crossword - Elements |
| 4,510 | Random Sequential Elements on the Periodic Table |
| 4,308 | Periodic Table Quiz by Borders in 60 Seconds |
| 4,188 | Amino Acid Structures |
| 4,173 | Seven Strong Acids Quiz |
| 3,991 | First 36 Periodic Table Elements |
| 3,902 | Elements of the Periodic Table in Alphabetical Order |
| 3,855 | Click a Valid Periodic Table Element A-Z |
| 3,729 | Chemistry Elements (symbols) |
| 3,645 | Solve the Secret Element |
| 3,489 | Common Chemical Compounds Quiz |
| 3,457 | Name That Gas! (Elements and Compounds in Chemistry) |
| 3,300 | Organic chemistry functional groups |
| 3,112 | Category Elimination - Elements (Expert) |
| 2,956 | Amino acids |
| 2,857 | Random Elements on the Empty Periodic Table |
| 2,671 | Elements Word Search |
| 2,554 | Element Names of Countries |
| 2,534 | First 20 elements of the Periodic table in 30 seconds |
| 2,470 | Periodic Table of Elements by Letter (ALL) |
| 2,458 | The periodic table of Elements (Symbols) |
| 2,361 | Click the Elements in Order |
| 2,279 | Elements named after people |
| 2,207 | Elements Starting with C |
| 2,205 | Name a Valid Chemical Element |
| 2,182 | Countries of the World - by Element Symbols |
| 2,072 | Periodic Table of Elements by Proximity |
| 2,072 | Periodic Table of Elements by Letter in Symbol in 15 seconds |
| 2,036 | Chemical Elements with Single-Letter Symbols |
| 1,979 | Elements by First 2 Letters in 90 Seconds |
| 1,977 | Elements 21-40 Quiz |
| 1,973 | First 30 Chemical Elements Symbols |
| 1,952 | Amino Acids |
| 1,940 | Alkanes - Organic Chemistry |
| 1,845 | Top Five Countries By Metal Production |
| 1,825 | Elements Alphabetically ordered |
| 1,749 | Chemistry quiz |
| 1,733 | Chemistry Vocabulary |
| 1,718 | Elements Starting with A |
| 1,697 | Word Scramble - Elements |
| 1,685 | Countries By The Periodic Table |
| 1,580 | Elements named after places |
| 1,516 | Elements of the Periodic Table: Three Minute Sprint |
| 1,442 | Most Abundant Metals in Earth's Crust and the Solar System |
| 1,373 | Periodic Table by Borders - 90 Seconds |
| 1,348 | Elements Starting with S |
| 1,335 | Chemical Elements By Symbol |
| 1,316 | 9-Letter Elements "Hangman" - Randomized |
| 1,295 | Classical and Medieval Elements (Greek, Chinese, Buddhist, Alchemy) |
| 1,285 | Elements Starting with B |
| 1,267 | Elemental Boggle |
| 1,264 | Chemistry - GCSE Definitions (Core) |
| 1,230 | Chemistry Elements (names) |
| 1,218 | Lanthanides and Actinides of the Periodic Table |
| 1,206 | Vitamins and Minerals (Micronutrients) |
| 1,189 | Elements of the Periodic Table by Symbol |
| 1,171 | Elements Breakdown Puzzle #1 |
| 1,155 | Periodic Table of Elements by Year of Discovery Proximity in 90 Seconds |
| 1,142 | Chemistry Decoder |
| 1,138 | Nobel Prize Winners In Chemistry |
| 1,118 | 6-Letter Elements "Hangman" - Randomized |
| 1,112 | Elements Starting with P |
| 1,111 | Elements Starting with T |
| 1,110 | Periodic table |
| 1,098 | Periodic Table with Alphabetic Answer Table |
| 1,105 | Periodic Table of the Elements - Click Quiz |
| 1,082 | Periodic Table Elements that don't End in - um |
| 1,081 | Name That Liquid! (Elements, Compounds, Mixtures in Chemistry) |
| 1,071 | 6 Elements in periodic table by random number |
| 1,054 | Anagram Chain - Elements |
| 1,038 | Random 20 Elements - Atomic Numbers |
| 1,031 | First Twenty Elements - In Order |
| 998 | Periodic Table of Elements Map Quiz |
| 961 | Element Etymologies: Places |
| 961 | Elements Starting with N |
| 958 | Drugs that are Painkillers (Analgesic/Anesthetic Medicines) |
| 943 | Chemistry Terms A-Z |
| 930 | Composition of the Universe |
| 927 | One Syllable Chemical Elements |
| 919 | Elements Created by Only Four Letters |
| 870 | Elements Starting with G, H |
| 854 | Elements Starting with R |
| 846 | Elemental Countries |
| 827 | Most Common Elements in the Ocean |
| 816 | Elements Starting with L |
| 791 | Chemical Compounds by Formula |
| 789 | Elements with a Unique First Letter |
| 778 | Chemical Elements |
| 771 | Elements Starting with E, F |
| 770 | Name the 18 Non-Metal Elements |
| 768 | Elemental Words #2 |
| 763 | Common Polyatomic Ions (Easy) |
| 761 | Elements Starting with M |
| 752 | Random Element to Symbol |
| 746 | Elemental Anagrams |
| 725 | U.S. States to Elements Quiz |
| 707 | Most Common Elements on Earth |
| 692 | 7-Letter Elements "Hangman" - Randomized |
| 685 | 8-Letter Elements "Hangman" - Randomized |
| 674 | Elements with a Single Letter in their Symbol - Sudden Death |
| 663 | Five Letter Elements |
| 659 | Geography from Periodic Elements |
| 647 | Four Letter Elements |
| 621 | SI-Prefixes |
| 611 | Elements Breakdown Puzzle #2 |
| 602 | Chemistry - Hydrocarbons |
| 556 | Complete the Periodic Table - Map Quiz #1 |
| 550 | First 20 elements |
| 529 | Longest Element Names A-Z |
| 504 | Most Common Elements In Human Body |
| 494 | Add A Letter - Make an Element |
| 490 | Chemical Elements with 6-Letter Names |
| 484 | First 12 Elements Discovered |
| 464 | Chemical Elements with Double Letters |
| 463 | Composition of the Human Body (Compounds/Molecules) |
| 462 | Word Scramble - Elements |
| 455 | Metals of Antiquity (Sudden Death) |
| 452 | Periodic Table of Elements - Hard Version |
| 451 | Most Abundant Elements in the Solar System |
| 449 | Elements by Pictures |
| 447 | Elements Without Their Vowels |
| 441 | Complete the Periodic Table - Map Quiz #2 |
| 438 | Lyrics of The Periodic Table Song (AsapSCIENCE 2018 updated ver.) |
| 421 | Elements of the Periodic Table - Symbols |
| 420 | Element Double Puzzle |
| 412 | Shortest Element Names A-Z |
| 382 | Elements Beginning with the Letters of JETPUNK |
| 376 | Elements that Stars Fuse |
| 385 | States of Matter ⚗️ |
| 354 | Elements which are not in Tom Lehrer's "The Elements" |
| 351 | Chemical Elements in the Answer |
| 350 | Element Mash-Up Puzzle: Countries |
| 334 | Composition of Seawater (Elements) 🌊 |
| 332 | Top Uranium Producing Countries |
| 328 | Click the Common Name - Chemicals |
| 301 | Elemental Categories of the Periodic Table |
| 293 | Element Symbols - Sudden Death |
| 292 | Border Crossing (Periodic Table Version) |
| 292 | Countries that Produce the Most of an Element |
| 283 | Elemental Words - Countries Edition |
| 271 | Etymologies of elements (picture quiz) |
| 268 | 20 Most Common Elements in the Human Body |