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Science · 90+ questions

Chemistry Quiz: 1v1 Periodic Table Duels

This chemistry quiz challenges players to identify foundational principles and laboratory milestones across the chemical sciences. Duels draw from core topics including periodic table elements, standard element symbols, atomic numbers, chemical reactions, and famous chemists who developed fundamental physical laws. You might encounter questions on gas laws, atomic structures, electronegativity scales, or notable industrial processes. Solid recall of element groupings, reaction types, and historical breakthroughs helps you recognize correct choices immediately.

Every 1v1 duel selects 7 questions from a pool of 90+, giving you 10 seconds to answer each one. You face a real opponent, either live or through a ghost run that replays another player's exact choices and response times. Rapid decisions are vital in this periodic table elements quiz, because pausing to balance a formula or locate an atomic number leaves precious seconds on the clock.

Players looking for broader scientific territory can move into Physics to examine subatomic particles, or explore general Science for cross-discipline matchups. The chemistry trivia difficulty leans balanced, with about two-fifths easy prompts, two-fifths medium questions, and one-fifth hard problems testing specialized historical and molecular facts.

Sample Chemistry & the Periodic Table questions

5 questions from the Chemistry & the Periodic Table pool. In a duel you get 7 of them, with 10 seconds each.

  1. Question 1Easy

    Which element has the atomic number 1?

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    Answer: Hydrogen. Hydrogen is the lightest element with an atomic number of 1.

  2. Question 2Easy

    Which of these is the lightest halogen?

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    Answer: Fluorine. Fluorine is the first element in Group 17, making it the lightest halogen.

  3. Question 3Medium

    What color flame does barium produce in a flame test?

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    Answer: Apple green. Barium compounds produce a characteristic apple-green color in flame tests.

  4. Question 4Medium

    What is the atomic number of Chlorine?

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    Answer: 17. Chlorine is a halogen with the atomic number 17.

  5. Question 5Hard

    Which chemist discovered argon with Lord Rayleigh in 1894?

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    Answer: William Ramsay. Sir William Ramsay and Lord Rayleigh jointly isolated and discovered argon.

Play a Chemistry & the Periodic Table duel

Chemistry & the Periodic Table quiz questions and answers

How many questions are in the chemistry quiz?

The pool contains more than 90 questions. Each duel selects 7 questions at random for both competitors.

What does the chemistry quiz cover?

Questions cover periodic table elements, element symbols, atomic numbers, reaction mechanisms, and the achievements of famous chemists throughout history.

How hard is the chemistry quiz?

The pool is balanced with about 40% easy, 40% medium, and 20% hard questions across foundational and advanced chemistry topics.

Who do you play against in the chemistry quiz?

You face a live opponent first. If nobody is available, you play against a ghost of a real player's earlier run, or a labeled bot.

Is the chemistry quiz free to play?

Guests receive a few free duels each day without an account. A free account provides more daily duels, and QuizUp Pro removes the daily limit.

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