Periodic Table vs ¡Verbo mío!

EXPLORE 118 ELEMENTS A visual periodic table with properties, electron shells, history and uses. Search by name, symbol or atomic number, and zoom to explore. LEARN AND CALCULATE 182 reference topics, from basic concepts to organic chemistry. 14 solvers show their steps for balancing reactions, redox, oxidation states, molar mass, amounts of substance, solutions, pH and more. Consult solubility and other reference tables. Practise across 15 topics with feedback and explanations. PERIODIC TABLE PRO • Virtual lab: combine atoms and explore nearly 600 substances with animated molecules, properties, uses and safety information. • On-device AI tutor: ask in your own words. Equations and molar masses are checked with the app's calculation engine. • Scanner: photograph a reaction equation and balance it. • Unlimited practice sessions. The periodic table, element cards, handbook and solvers remain free. 20 LANGUAGES The app uses a supported device language on first launch. You can change it in the app; your choice is saved. Formulas retain their standard direction. Light and dark themes. PRIVACY AND AI REQUIREMENTS No accounts, ads, tracking or analytics. Reference content is available offline after installation. The AI tutor requires a compatible iPhone or iPad with iOS/iPadOS 26 or later, enabled Apple Intelligence and a downloaded model. AI language and region availability depend on the device and system version. Questions are processed on the device. Pro is available as a monthly or yearly subscription with a one-week free trial for eligible new subscribers, or a one-time purchase for lifetime access. Subscriptions renew automatically unless cancelled at least 24 hours before the current period ends. Your Apple ID is charged after the free trial. Manage or cancel in App Store settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ultim8digital.github.io/periodic-table/privacy.html

Verb drills, played as an arcade game. Translate verbs, conjugate them or name the tense of a form against the clock, in Spanish, English, Russian or Ukrainian: any pair of the four, either way. The verbs, tenses and forms come from the language you're learning; the meanings from the one you know. FOUR GAME STYLES • Classic: a question, four answers and a shrinking timer bar. • Rain: the question block falls, Tetris-like. Steer it into the right bucket before it lands. • Vortex: the question sits in the eye and the answers are drawn in from all four sides. Hit the right one before it reaches the center. • Road 3D: a synthwave road with answer gates rushing at you. Be in the right lane, or dash through early for more points. WHAT YOU PRACTICE • Translating infinitives or conjugated forms: tuvimos → we had, делали → they did. • Conjugating: tener · nosotros · Pretérito → tuvimos. • Naming the tense of a form, or all of it mixed up. • The verbs you choose: most common, irregular, stem-changing or regular, from the top 5 to all of them. About 1,000 Spanish verbs, 900 English and 550 each in Russian and Ukrainian, with full conjugation tables: 17 tenses in Spanish, 14 in English, 6 in Russian and Ukrainian. LEARN FROM YOUR MISTAKES • The wrong answers are the mistakes learners really make: tení for tuve, piensamos, he abrido. • Answers are spoken aloud, and after a miss the right one is shown. Turn on Pause after a mistake to study the whole tense before going on. • Every miss goes to My mistakes, and those verbs come up more often. An item leaves the list once you get it right in three different games in a row, and a practice round drills just those. • No trick questions: forms that two persons share, and verbs that mean the same, are never pitted against each other. A DICTIONARY Look up any verb by its infinitive, by any conjugated form or by a translation, and see every tense with the meaning of each form. PLAY YOUR WAY • Four paces from Chill to Blitz; rounds of 15, 30 or 60 questions, or endless; three lives. • An optional assist dims wrong answers when you need a hand, for fewer points. • Points grow with the pace, your streak and the speed of your answers. Arcade sounds, and fireworks for a new record. • A local champions board for the whole family, and optional Game Center leaderboards and achievements. • The interface speaks Spanish, English, Russian and Ukrainian. ON EVERY SCREEN iPhone, iPad, Mac and Apple TV, played by touch, keyboard, Siri Remote or game controller. Apple Watch shows a verb of the day, with its meaning and main tenses, and the verbs of the days before. For everyone: larger text (Dynamic Type), Reduce Motion, and VoiceOver and Switch Control with three times the time for each question. No ads, no account, no data collected: everything stays on your device.