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WikiCards · Card list · Science cards · Above-threshold ionization
Common card · Science
Above-threshold ionization, a Common card
In atomic, molecular, and optical physics, above-threshold ionization is a multi-photon effect where an atom is ionized with more than the energetically required number of photons.
- Rarity
- Common
- Domain
- Science
- ATK
- 45
- DEF
- 26
- Power
- 71
- Wikipedia reads a year
- 1,600
Power 71 (ATK + DEF): stronger than 15 % of WikiCards cards.
Above-threshold ionization quiz: 3 questions
Three questions on the Above-threshold ionization card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It was first observed in 1979 by Pierre Agostini and ______ in xenon gas.
Answer
colleagues. It was first observed in 1979 by Pierre Agostini and colleagues in xenon gas. From the Above-threshold ionization article on Wikipedia.
Which of these Wikipedia articles is read the most in a year?
Answer
Morphine-3-glucuronide. Morphine-3-glucuronide 3,000 · Pranav Sharma 2,300 · Above-threshold ionization 1,600 · Blackburn B-3 1,200 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.
- It was first observed in 1979 by Pierre Agostini and colleagues in xenon gas.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Above-threshold ionization article was read about 1,600 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 26: each hit it takes is cut by 10 %.
How to get Above-threshold ionization
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, Above-threshold ionization (revision), CC BY-SA 4.0. Photo : IRWolfie- at en.wikipedia, CC BY-SA 3.0, Wikimedia Commons.
