C2 does not follow the VSEPR theory here. Carbon cannot have lone pairs and quadruple bonds do not exist. C2 DOES however exist. It has a bond order of 2 and it exists in the gas phase.
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The Lewis dot structure of C2H4 (ethylene) shows two carbon atoms double-bonded to each other, with each carbon atom also bonded to two hydrogen atoms. This arrangement satisfies the octet rule for each atom, achieving stability.
The structure would be C with a double bond to C. Each one of the C's have two dots on the top and bottom with a H bond on the end. So there would be 4 H's.
The Lewis dot structure for germanium (Ge) is: Ge: :Ge:
The electron dot structure and Lewis dot structure are the same thing. They both represent the arrangement of valence electrons in an atom or molecule using dots around the chemical symbol.
A Lewis dot structure for potassium (K) would have one dot, representing its single valence electron.
There are 18 valence electrons represented in the Lewis electron-dot structure for SO2.
The Lewis Dot Structure for Ununoctium (Uuo) would have 8 valence electrons represented as dots surrounding the atomic symbol. However, as Ununoctium is a synthetic element and its chemical properties are not well-known, its Lewis Dot Structure is not commonly depicted.