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WikiCards · Card list · Science cards · Hydroxide
Uncommon card · Science
Hydroxide, an Uncommon card
Hydroxide is a diatomic anion with chemical formula OH−.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 74
- DEF
- 81
- Power
- 155
- Wikipedia reads a year
- 84,000
Power 155 (ATK + DEF): stronger than 80 % of WikiCards cards.
Hydroxide quiz: 3 questions
Three questions on the Hydroxide card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It is an ______ but usually minor constituent of water.
Answer
important. It is an important but usually minor constituent of water. From the Hydroxide article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Wilhelm Wundt. Wilhelm Wundt 88 · Refrigeration 83 · Infrared spectroscopy 77 · Hydroxide 74 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 consists of an oxygen and hydrogen atom held together by a single covalent bond, and carries a negative electric charge.
- It is an important but usually minor constituent of water.
- It functions as a base, ligand, nucleophile, and catalyst.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Hydroxide article was read about 84,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 74 and blocks with 81: each hit it takes is cut by 32 %.
How to get Hydroxide
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 Hydroxide in the power ranking, all domains together.
- Maurizio CattelanUncommon · Arts · ATK 75 DEF 80
- Shooting sportsUncommon · Society · ATK 82 DEF 73
- White LadyUncommon · Science · ATK 75 DEF 80
- Hammer throwUncommon · Society · ATK 77 DEF 78
- Muslim SicilyUncommon · History · ATK 78 DEF 77
- GalațiUncommon · Society · ATK 80 DEF 75
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, Hydroxide (revision), CC BY-SA 4.0. Photo : DoSiDo, CC BY-SA 3.0, Wikimedia Commons.
