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WikiCards · Card list · Science cards · Iron(III) oxide
Uncommon card · Science
Iron(III) oxide, an Uncommon card
Iron oxide or ferric oxide is the inorganic compound with the formula Fe2O3.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 66
- DEF
- 78
- Power
- 144
- Wikipedia reads a year
- 78,000
Power 144 (ATK + DEF): stronger than 75 % of WikiCards cards.
Iron(III) oxide quiz: 3 questions
Three questions on the Iron(III) oxide card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It is also known as red iron oxide, especially when used in ______.
Answer
pigments. It is also known as red iron oxide, especially when used in pigments. From the Iron(III) oxide article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Graphics card. Graphics card 79 · Gifu Prefecture 75 · Leon Theremin 71 · Iron(III) oxide 66 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.
- It occurs in nature as the mineral hematite, which serves as the primary source of iron for the steel industry.
- It is also known as red iron oxide, especially when used in pigments.
- It is one of the three main oxides of iron, the other two being iron oxide, which is rare, and iron oxide, which also occurs naturally as the mineral magnetite.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Iron(III) oxide article was read about 78,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 66 and blocks with 78: each hit it takes is cut by 31 %.
How to get Iron(III) oxide
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.
More Science cards
Cards close in power
The cards just above and just below Iron(III) oxide in the power ranking, all domains together.
- Gifu PrefectureUncommon · Science · ATK 75 DEF 69
- Grant FuhrUncommon · Society · ATK 75 DEF 69
- Joey GalloUncommon · Society · ATK 70 DEF 74
- Robert HeleniusUncommon · Society · ATK 75 DEF 69
- Edward LearUncommon · Arts · ATK 72 DEF 72
- Haloti NgataUncommon · Society · ATK 73 DEF 71
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Iron(III) oxide (revision), CC BY-SA 4.0. Photo : Benjah-bmm27, Public domain, Wikimedia Commons.
