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The game consists of a deck of 121 cards. [1] Each card depicts a chemical as "monster-themed caricature". [2] A card is one of three types: [1] A further expansion, Elementeo Chemistry Card Game: Legacy Edition, released in 2023, introduces advanced gameplay mechanics, additional element cards like terbium and ytterbium, and expanded alchemy options.
Chemical similarity (or molecular similarity) refers to the similarity of chemical elements, molecules or chemical compounds with respect to either structural or functional qualities, i.e. the effect that the chemical compound has on reaction partners in inorganic or biological settings.
Examples of symmetrical pseudohalogen compounds (Ps−Ps, where Ps is a pseudohalogen) include cyanogen (CN) 2, thiocyanogen (SCN) 2 and hydrogen peroxide H 2 O 2. Another complex symmetrical pseudohalogen compound is dicobalt octacarbonyl, Co 2 (CO) 8. This substance can be considered as a dimer of the hypothetical cobalt tetracarbonyl, Co(CO) 4.
The compound chlorofluoromethane, in contrast, is not chiral: the mirror image of its molecule is also obtained by a half-turn about a suitable axis. Another example of a chiral compound is 2,3-pentadiene H 3 C − CH = C = CH − CH 3 {\displaystyle {\ce {H3C-CH=C=CH-CH3}}} a hydrocarbon that contains two overlapping double bonds.
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In the periodic table of the elements, each numbered row is a period. A period on the periodic table is a row of chemical elements. All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor.
Oxygen is the most electronegative element except for fluorine, and forms compounds with almost all of the chemical elements, including some of the noble gases. It commonly bonds with many metals and metalloids to form oxides , including iron oxide , titanium oxide , and silicon oxide .
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