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WikiCards · Card list · Science cards · E–Z notation
Uncommon card · Science
E–Z notation, an Uncommon card
E–Z configuration, or the E–Z convention, is the IUPAC's preferred method of describing the absolute stereochemistry of double bonds in organic chemistry.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 45
- DEF
- 27
- Power
- 72
- Wikipedia reads a year
- 21,000
Power 72 (ATK + DEF): stronger than 15 % of WikiCards cards.
E–Z notation quiz: 3 questions
Three questions on the E–Z notation card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
E–Z notation can only be used when neither atom of the ______ bond has two identical atoms or substituent groups attached to it.
Answer
double. E–Z notation can only be used when neither atom of the double bond has two identical atoms or substituent groups attached to it. From the E–Z notation article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Zeros and poles. Zeros and poles 54 · Henry Gray 51 · E–Z notation 45 · Checkerboard 42 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 an extension of cis–trans isomer notation that can be used to describe double bonds having two, three or four substituents.
- E–Z notation can only be used when neither atom of the double bond has two identical atoms or substituent groups attached to it.
- Following the Cahn–Ingold–Prelog priority rules, each substituent on a double bond is assigned a priority, then positions of the higher of the two substituents on each carbon are compared to each other.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The E–Z notation article was read about 21,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 45 and blocks with 27: each hit it takes is cut by 11 %.
How to get E–Z notation
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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The cards just above and just below E–Z notation in the power ranking, all domains together.
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- Alexandros KoryzisUncommon · History · ATK 50 DEF 22
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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, E–Z notation (revision), CC BY-SA 4.0. Photo : JaGa ( talk · contribs ), Public domain, Wikimedia Commons.
