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WikiCards · Card list · Science cards · Ammonium ferric citrate
Uncommon card · Science
Ammonium ferric citrate, an Uncommon card
Ammonium ferric citrate has the formula [NH4]{y}[Fe{x}].
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 48
- DEF
- 29
- Power
- 77
- Wikipedia reads a year
- 18,000
Power 77 (ATK + DEF): stronger than 20 % of WikiCards cards.
Ammonium ferric citrate quiz: 3 questions
Three questions on the Ammonium ferric citrate card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
The iron in this compound is ______.
Answer
trivalent. The iron in this compound is trivalent. From the Ammonium ferric citrate article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Blue giant. Blue giant 56 · Let L-610 51 · Ammonium ferric citrate 48 · Bronze 40 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Blue giant. Blue giant 30,000 · Bronze 24,000 · Ammonium ferric citrate 18,000 · Cvjetko Popović 14,000 Wikipedia reads over a year.
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.
- The iron in this compound is trivalent.
- All three carboxyl groups and the central hydroxyl group of citric acid are deprotonated.
- A distinguishing feature of this compound is that it is very soluble in water, in contrast to ferric citrate which is not very soluble.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Ammonium ferric citrate article was read about 18,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 48 and blocks with 29: each hit it takes is cut by 12 %.
How to get Ammonium ferric citrate
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 Ammonium ferric citrate in the power ranking, all domains together.
- AugiteUncommon · Nature · ATK 48 DEF 29
- Let L-610Uncommon · Science · ATK 51 DEF 26
- PetrologyUncommon · Science · ATK 52 DEF 25
- Kim's GameUncommon · History · ATK 47 DEF 30
- GermaUncommon · History · ATK 54 DEF 23
- Lilian VelezUncommon · Arts · ATK 50 DEF 27
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, Ammonium ferric citrate (revision), CC BY-SA 4.0. Photo : Materialscientist, CC BY 4.0, Wikimedia Commons.
