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WikiCards · Card list · Science cards · Nickel(II) oxide
Uncommon card · Science
Nickel(II) oxide, an Uncommon card
Nickel oxide is the chemical compound with the formula NiO.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 63
- DEF
- 51
- Power
- 114
- Wikipedia reads a year
- 16,000
Power 114 (ATK + DEF): stronger than 55 % of WikiCards cards.
Nickel(II) oxide quiz: 3 questions
Three questions on the Nickel(II) oxide card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It is ______ as a basic metal oxide.
Answer
classified. It is classified as a basic metal oxide. From the Nickel(II) oxide article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Jacobi symbol. Jacobi symbol 75 · Aaron Cruden 68 · Nickel(II) oxide 63 · Vaneeza Ahmad 60 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 is the principal oxide of nickel.
- It is classified as a basic metal oxide.
- Several million kilograms are produced annually of varying quality, mainly as an intermediate in the production of nickel alloys.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Nickel(II) oxide article was read about 16,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 63 and blocks with 51: each hit it takes is cut by 20 %.
How to get Nickel(II) 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 Nickel(II) oxide in the power ranking, all domains together.
- Claude Adrien HelvétiusUncommon · Science · ATK 62 DEF 52
- John of SalisburyUncommon · Science · ATK 65 DEF 49
- Katharine McCormickUncommon · Science · ATK 65 DEF 49
- Rehabilitation trial of Joan of ArcUncommon · History · ATK 64 DEF 50
- Vaneeza AhmadUncommon · Arts · ATK 60 DEF 54
- Aaron CrudenCommon · Society · ATK 68 DEF 46
Card lists
- Wikipedia quizNew questions every day
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- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Nickel(II) oxide (revision), CC BY-SA 4.0. Photo : Mapeck, CC BY-SA 3.0, Wikimedia Commons.
