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Ebarb PhySci Chap 9
| Question | Answer |
|---|---|
| An ______________ compound contains carbon and hydrogen, often combined with a few other elements such as oxygen and nitrogen. | organic |
| Carbon has __________ valence electrons. | four |
| _______________ is a form of carbon in which each atom is covalently bonded to four other carbons in a rigid, compact structure. | diamond |
| A material in which each atom is covalently bonded to each other is a ____________________. | network solid |
| Diamond is so hard because cutting it would require breaking ______________ bonds. | covalent |
| Pencil leads are made of _______________. | graphite |
| ______________ is soft and slippery because it is made of sheets of carbon atoms that are arranged in widely spaced layers. | graphite |
| ____________________ are large hollow spheres or cages made of carbon atoms. | fullerenes |
| A __________________ is an organic compound that contains only the elements hydrogen and carbon. | hydrocarbon |
| Hydrocarbons that contain only single bonds are called _______________. | alkanes |
| The simplest alkane is __________________. | methane |
| Hydrocarbons that contain at least one double bond are called ______________. | alkenes |
| Hydrocarbons that contain at least one triple bond are called ____________. | alkynes |
| Mixtures of hydrocarbons that are formed from the remains of living organisms are called _________________. | fossil fuels |
Created by:
jdstevens
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