Periodic table, a Legendary card

The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows and columns.
From the Wikipedia article

Rarity: Legendary
Domain: Science
ATK: 97
DEF: 100
Power: 197
Wikipedia reads a year: 3,400,000

Ranked #22 of the 3,000 cards of the base set by power (ATK + DEF).

Get it onGoogle Play Play nowFree, no ads, no account needed. WikiCards plays free in Safari, nothing to install.

Periodic table quiz: 3 questions

Three questions on the Periodic table card, the way WikiCards duels ask them. Pick an answer, the facts are just below.

Find the missing word
The table is divided into four roughly ______ areas called blocks.
Answer
rectangular. The table is divided into four roughly rectangular areas called blocks. From the Periodic table article on Wikipedia.
Which of these Wikipedia articles is read the most in a year?
Answer
Periodic table. Periodic table 3,400,000 · Dassault Rafale 1,100,000 · Hannah Arendt 760,000 · Cathode ray tube 260,000 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.

An icon of chemistry, the periodic table is also widely used in physics and other sciences.
It is a depiction of the periodic law, which states that when the elements are arranged in order of their atomic numbers an approximate recurrence of their properties is evident.
The table is divided into four roughly rectangular areas called blocks.

Why it is Legendary

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Periodic table article was read about 3,400,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 97 and blocks with 100: each hit it takes is cut by 40 %.

How to get Periodic table

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.