Periodic Table Elements 118: Symbol, Number and Category
All 118, tagged so you can drill one block at a time.
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Learning the periodic table from a wall chart fails for a simple reason: the chart shows you everything at once, so you keep re-reading the twenty symbols you already know to reach the ones you don't. This deck puts each element on its own card — the symbol asks the question on the front, the name and its category answer it on the back. Every card is tagged by block, so you can run just the transition metals, just the lanthanides, or just the main group instead of the whole table. Import it and the deck joins your spaced-repetition schedule. Elements you know stretch out and drop out of sight; the ones that keep slipping come back until they stop slipping. What goes down is the number of symbols you still can't place — not the time it takes to scan past 118 cards you mostly can.
What happens when you add it
- 1
The button opens Memly and the whole deck lands in your account.
- 2
Each card gets its own schedule, based on how well you actually recall it.
- 3
They are your cards afterwards — rewrite, delete or reorganize them freely.
What's inside
Showing 100 representative cards from the full 118-card deck.
| Front | Back |
|---|---|
| What element is H? | Hydrogen Reactive nonmetal |
| What element is He? | Helium Noble gas |
| What element is Li? | Lithium Alkali metal |
| What element is Be? | Beryllium Alkaline earth metal |
| What element is B? | Boron Metalloid |
| What element is C? | Carbon Reactive nonmetal |
| What element is N? | Nitrogen Reactive nonmetal |
| What element is O? | Oxygen Reactive nonmetal |
| What element is F? | Fluorine Halogen |
| What element is Ne? | Neon Noble gas |
| What element is Na? | Sodium Alkali metal |
| What element is Mg? | Magnesium Alkaline earth metal |
| What element is Al? | Aluminium Post-transition metal |
| What element is Si? | Silicon Metalloid |
| What element is P? | Phosphorus Reactive nonmetal |
| What element is S? | Sulfur Reactive nonmetal |
| What element is Cl? | Chlorine Halogen |
| What element is Ar? | Argon Noble gas |
| What element is K? | Potassium Alkali metal |
| What element is Ca? | Calcium Alkaline earth metal |
| What element is Sc? | Scandium Transition metal |
| What element is Ti? | Titanium Transition metal |
| What element is V? | Vanadium Transition metal |
| What element is Cr? | Chromium Transition metal |
| What element is Mn? | Manganese Transition metal |
| What element is Fe? | Iron Transition metal |
| What element is Co? | Cobalt Transition metal |
| What element is Ni? | Nickel Transition metal |
| What element is Cu? | Copper Transition metal |
| What element is Zn? | Zinc Transition metal |
| What element is Ga? | Gallium Post-transition metal |
| What element is Ge? | Germanium Metalloid |
| What element is As? | Arsenic Metalloid |
| What element is Se? | Selenium Reactive nonmetal |
| What element is Br? | Bromine Halogen |
| What element is Kr? | Krypton Noble gas |
| What element is Rb? | Rubidium Alkali metal |
| What element is Sr? | Strontium Alkaline earth metal |
| What element is Y? | Yttrium Transition metal |
| What element is Zr? | Zirconium Transition metal |
| What element is Nb? | Niobium Transition metal |
| What element is Mo? | Molybdenum Transition metal |
| What element is Tc? | Technetium Transition metal |
| What element is Ru? | Ruthenium Transition metal |
| What element is Rh? | Rhodium Transition metal |
| What element is Pd? | Palladium Transition metal |
| What element is Ag? | Silver Transition metal |
| What element is Cd? | Cadmium Transition metal |
| What element is In? | Indium Post-transition metal |
| What element is Sn? | Tin Post-transition metal |
| What element is Sb? | Antimony Metalloid |
| What element is Te? | Tellurium Metalloid |
| What element is I? | Iodine Halogen |
| What element is Xe? | Xenon Noble gas |
| What element is Cs? | Caesium Alkali metal |
| What element is Ba? | Barium Alkaline earth metal |
| What element is La? | Lanthanum Lanthanide |
| What element is Ce? | Cerium Lanthanide |
| What element is Pr? | Praseodymium Lanthanide |
| What element is Nd? | Neodymium Lanthanide |
| What element is Pm? | Promethium Lanthanide |
| What element is Sm? | Samarium Lanthanide |
| What element is Eu? | Europium Lanthanide |
| What element is Gd? | Gadolinium Lanthanide |
| What element is Tb? | Terbium Lanthanide |
| What element is Dy? | Dysprosium Lanthanide |
| What element is Ho? | Holmium Lanthanide |
| What element is Er? | Erbium Lanthanide |
| What element is Tm? | Thulium Lanthanide |
| What element is Yb? | Ytterbium Lanthanide |
| What element is Lu? | Lutetium Lanthanide |
| What element is Hf? | Hafnium Transition metal |
| What element is Ta? | Tantalum Transition metal |
| What element is W? | Tungsten Transition metal |
| What element is Re? | Rhenium Transition metal |
| What element is Os? | Osmium Transition metal |
| What element is Ir? | Iridium Transition metal |
| What element is Pt? | Platinum Transition metal |
| What element is Au? | Gold Transition metal |
| What element is Hg? | Mercury Transition metal |
| What element is Tl? | Thallium Post-transition metal |
| What element is Pb? | Lead Post-transition metal |
| What element is Bi? | Bismuth Post-transition metal |
| What element is Po? | Polonium Post-transition metal |
| What element is At? | Astatine Halogen |
| What element is Fr? | Francium Alkali metal |
| What element is Ac? | Actinium Actinide |
| What element is U? | Uranium Actinide |
| What element is Pu? | Plutonium Actinide |
| What element is Cm? | Curium Actinide |
| What element is Es? | Einsteinium Actinide |
| What element is Md? | Mendelevium Actinide |
| What element is Lr? | Lawrencium Actinide |
| What element is Sg? | Seaborgium Transition metal |
| What element is Hs? | Hassium Transition metal |
| What element is Ds? | Darmstadtium Transition metal |
| What element is Cn? | Copernicium Transition metal |
| What element is Fl? | Flerovium Post-transition metal |
| What element is Lv? | Livermorium Post-transition metal |
| What element is Og? | Oganesson Noble gas |
Frequently asked
Can I import the whole deck on the free plan?
Yes. Importing a saved deck runs no new AI generation and does not use your AI allowance, so the free plan imports every card. You can study, edit and delete them afterwards.
Will importing it twice create duplicates?
No. Cards you already have are skipped and only cards added in a revision come through. Including re-imports after deleting it, one official deck can be imported three times per account.
Does it work on the web and in the mobile app?
Yes. The deck is added to your account, so the web app, the iOS app and the Android app all show the same cards and the same progress.
Can I edit the cards after importing?
Yes. Once imported they are your cards: edit either side, delete the ones you do not need, retag them, or move them into another deck.
What is on each card?
The symbol asks the question on the front; the name and its category answer it on the back. The 118 cards are tagged 50 main-group, 38 transition metals, 15 lanthanides and 15 actinides, so each block can be drilled on its own.
Which way round should I study it?
The card shows the symbol and asks for everything else, because that is the direction reading a formula demands. If you want name-to-symbol as well, edit a card and swap the sides, or duplicate the deck and swap them in bulk — both directions are yours once the deck is in your account.
Editorial method and sources
Memly's editors use the primary sources below to check scope and terminology, then independently write and review the cards.
Periodic Table Elements 118: Symbol, Number and Category
Add every card on the free plan. Importing runs no AI generation and does not use your AI allowance. You'll need a Memly account.
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Compiled 2026-08-17 from the standard element names, symbols and atomic numbers. Every card is written by Memly. Uses are the representative application named in introductory courses, not handling guidance: several of these elements are toxic or radioactive, and nothing here is a safety instruction. Elements 99 and above are marked research only rather than given an invented application.