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level: General

Questions and Answers List

Question	Answer
How many bonds can carbon form?	4
How many bonds can hydrogen form?	1
What is a hydrocarbon	A compound made from hydrogen and carbon only
If the carbon atoms in a hydrocarbon are joined by single covalent bonds only, what are they called?	Saturated hydrocarbons
What will the name of saturated hydrocarbons always end in?	-ane
If any of the carbon atoms in a hydrocarbon are joined by a double covalent bond, what are they called?	unsaturated hydrocarbons
What do the name of unsaturated hydrocarbons always end in?	-ene
What does the first part of the name of a hydrocarbon tell you?	The number of carbon atoms joined together in a straight chain
meth-	1
Eth-	2
Prop-	3
But-	4
Pent-	5
Hex-	6
Hept-	7
Oct-	8
What is a homologous series?	A family of compounds with similar chemical properties who share the same general formula
Describe a full structural formula (of a hydrocarbon)	shows all the atoms and all the bonds in a molecule
Describe a shortened structural formula?	Shows the number of hydrogen atoms attached to each carbon atom (in order). The bonds between the carbon atoms may or may not be shown
Describe a molecular formula	Shows the type and total number of each atom only