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WikiCards · Card list · Science cards · Carbon dioxide

Rare card · Science

Carbon dioxide, a Rare card

Carbon dioxide is a chemical compound with the chemical formula CO2.

From the Wikipedia article

Rarity
Rare
Domain
Science
ATK
87
DEF
89
Power
176
Wikipedia reads a year
410,000

Power 176 (ATK + DEF): stronger than 90 % of WikiCards cards.

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Carbon dioxide quiz: 3 questions

Three questions on the Carbon dioxide card, the way WikiCards duels ask them. Pick an answer, the facts are just below.

  1. Find the missing word

    It is made up of ______ that each have one carbon atom covalently double bonded to two oxygen atoms.

    Answer

    molecules. It is made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. From the Carbon dioxide article on Wikipedia.

  2. Which of these cards hits hardest (highest ATK)?

    Answer

    Unification of Italy. Unification of Italy 91 · Carbon dioxide 87 · Energy 84 · Operating system 81 ATK in WikiCards.

In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.

The facts on the card

The card carries these facts from its Wikipedia article.

Why it is Rare

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Carbon dioxide article was read about 410,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 87 and blocks with 89: each hit it takes is cut by 36 %.

How to get Carbon dioxide

Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.

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Cards close in power

The cards just above and just below Carbon dioxide in the power ranking, all domains together.

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Credits

Text : Wikipedia, Carbon dioxide (revision), CC BY-SA 4.0. Photo : Alessio Damato, Public domain, Wikimedia Commons.

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