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Anonymous
No CH2 cannot be an element, it would be a compound of Hydrogen and Carbon.
Also CH2 does not exist as a compound, though can be a part of some organic compounds.
CH4 is the compound known as methane.
Wiki User
The general formula for a cycloalkene is CnH2n. This means that a cycloalkene consists of a ring of carbon atoms with alternating double bonds and enough hydrogen atoms to satisfy each carbon atom's bonding requirements.