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All alkanes have single bonds.They consist of single bonds.
Four.
Saturated aliphatic hydrocarbons have only single bonds and all non carbon to carbon bonding sites are taken up by hydrogen ions. The formula for this is Cn-H2n+2
Carbon and Hyrdrogen.
An alkene such as propene has 1 double bond. An alkene can also have many single bonds. In Dodecene for example there are 12 carbons. Two of the carbons are linked by a double bond and all the others by single bonds. In addition, the carbon-hydrogen bonds are all single bonds too.
Fatty acid chains with all single bonds are saturated fatty acids. All of the carbon atoms are saturated with hydrogen atoms.
A single carbon can make four bonds but they may not all be single i.e it could make 4 single bonds (as in methane) or 2 double bonds (as in cardon dioxide) or one triple bond and a single bond (as in Ethyne).
The sp3 carbon hybrid bonds are found in cyclopentane. These are all single bonds on double or triple bonds are present.
Saturated
All alkanes have single bonds.They consist of single bonds.
Four.
Carbon is in Group V. Thus, it needs 4 more electrons so as to achieve the octet structure in its valence shell. As such, carbon has make at most 4 single covalent bonds. The least number of covalent bonds carbon can make is 2 double bonds. We do not see an example of carbon forming 1 covalent bond involving the sharing of all 4 of its valence electrons.
Saturated aliphatic hydrocarbons have only single bonds and all non carbon to carbon bonding sites are taken up by hydrogen ions. The formula for this is Cn-H2n+2
Carbon and Hyrdrogen.
An alkene such as propene has 1 double bond. An alkene can also have many single bonds. In Dodecene for example there are 12 carbons. Two of the carbons are linked by a double bond and all the others by single bonds. In addition, the carbon-hydrogen bonds are all single bonds too.
A saturated compound is a compound in which carbon - carbon multiple bonds (double or triple bonds) DO NOT exist. For e.g. propane and other alkanes. Alkenes and alkynes having a carbon - carbon multiple bond are all unsaturated compounds.
Saturated hydrocarbons have every possible bonding site on the carbon backbone that could bond to a hydrogen bonded to a hydrogen. All carbon-carbon bonds are single. These hydrocarbons are rigid and have high melting temperatures. Lard, Crisco, Butter, and Margarine are saturated.Unsaturated hydrocarbons don't and therefor contain one or more double or triple carbon-carbon bond(s). These hydrocarbons are "floppy" and have lower melting temperatures. Cooking and Salad oils are unsaturated.