A romance is a relationship between two people who are in love with each other but who are not married to each other. After a whirlwind romance the couple announced their engagement in July. ...a holiday romance.
Hydrocarbons are compounds made from carbon and hydrogen atoms joined by covalent bonds. Alkanes are saturated-they have only single bonds.Alkenes have a double bond-they are unsaturated. Alkenes react with brown bromine water and decolourise it, but alkanes do not.Alkenes can act as monomers.ydrocarbons are compounds made from carbon and hydrogen atoms joined by covalent bonds. Alkanes are saturated-they have only single bonds.
an alkane is a hydrocarbon containing only single bonds an alkene contains one or more carbon carbon double bonds alkynes have one or more carbon carbon triple bonds aromatic hydrocarbons contain a circular pattern of double and single bonds where the double bonded electrons can travel completely around the ring