[Verse 1] Top left corner, hydrogen's on its throne, Atomic number's the proton count, carved in stone, Symbol underneath, one letter or two, Standard atomic weight's the average mass, isotopes mixed in the brew. Groups run vertical, eighteen columns deep, Periods run horizontal, seven rows we keep, Block letter marks where the outer electron land, s, p, d, f — read the orbital brand. [Chorus] Зчитуй таблицю, left to right, top to bottom flow, Tabela periódica, esse é o nosso globo, Number, symbol, weight — the trio locked in rhyme, Groups and periods crossing, ми тримаємо ритм. [Verse 2] IUPAC counts one through eighteen, clean and plain, Grandpa's chart still whispers A and B, driving old texts insane, Europe flipped the letters where Americans wrote A, Main-group rides s and p, transition's d holds sway, Inner-transition tucks below — lanthanide, actinide rows, Metalloid's the tightrope walker, semiconductive, nobody quite knows If it's metal or not — boron, silicon, arsenic too, Metals gleam and bend, nonmetals brittle, matte in hue. [Chorus] Зчитуй таблицю, left to right, top to bottom flow, Tabela periódica, esse é o nosso globo, Number, symbol, weight — the trio locked in rhyme, Groups and periods crossing, ми тримаємо ритм. [Verse 3] Flip the script — long form spreads the f-block wide, Thirty-two columns, no rows tucked aside, Janet's left-step table starts with helium's kin, Groups by orbital filling, a protean skin — protean meaning shape-shifting, changeable, free. Spiral charts coil like a chemical family tree, Some render 3D, electron shells hung in space, Same elements dressed up in a different face. [Verse 4] Need real numbers? Don't just guess and hope, IUPAC's the referee, NIST hands you the scope, CRC Handbook, the chemist's heaviest tome, WebElements, PubChem — click twice, bring it home. Exercise one: blank grid, no peeking, memory test, Sketch the groups and periods, label east to west, Exercise two: open Python, call mendeleev in, Build yourself a dataframe, filter what's liquid within Room temperature's window — twenty-five Celsius flat, Mercury and bromine show up — remember that. [Bridge] Import mendeleev, then request the full elements table, Load it into pandas, keep the data stable, Filter melting point below, boiling point above, Twenty-five degrees the line — that's the border of the love, Two rows survive the search: bromine, mercury, side by side. [Chorus] Зчитуй таблицю, left to right, top to bottom flow, Tabela periódica, esse é o nosso globo, Number, symbol, weight — the trio locked in rhyme, Groups and periods crossing, ми тримаємо ритм. [Outro] Ось твоя мапа (here's your map), symbol and weight in view, Tá na tabela — agora a tabela é sua.
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