WikiCards · Card list · Science cards · Heavy water
Rare card · Science
Heavy water, a Rare card
Heavy water is a form of water in which all hydrogen atoms are hydrogen-2 isotope or deuterium rather than the common hydrogen-1 isotope that makes up most of the hydrogen in normal water.
- Rarity
- Rare
- Domain
- Science
- ATK
- 83
- DEF
- 82
- Power
- 165
- Wikipedia reads a year
- 290,000
Power 165 (ATK + DEF): stronger than 85 % of WikiCards cards.
Heavy water quiz: 3 questions
Three questions on the Heavy water card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Deuterium is a heavy ______ isotope.
Answer
hydrogen. Deuterium is a heavy hydrogen isotope. From the Heavy water article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Spacetime. Spacetime 89 · Heavy water 83 · Natural science 78 · Kelvin 75 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.
- The presence of the heavier isotope gives the water different nuclear properties, and the increase in mass gives it slightly different physical and chemical properties when compared with normal water.
- Deuterium is a heavy hydrogen isotope.
- Heavy water contains deuterium atoms and is used in nuclear reactors.
Why it is Rare
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Heavy water article was read about 290,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 83 and blocks with 82: each hit it takes is cut by 33 %.
How to get Heavy water
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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Credits
Text : Wikipedia, Heavy water (revision), CC BY-SA 4.0. Photo : Streng, Public domain, Wikimedia Commons.



