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AP Biology, Period 1. Chapter 4 Quiz. 1. Which is an organic molecule?. Ne O 2 CH 4 NaCl H 2 O. 2. The carbon atom is tetravalent; this means that _____. carbon's first electron shell holds 4 electrons a carbon atom can complete its valence shell by forming four covalent bonds
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AP Biology, Period 1 Chapter 4 Quiz
1. Which is an organic molecule? • Ne • O2 • CH4 • NaCl • H2O
2. The carbon atom is tetravalent; this means that _____. • carbon's first electron shell holds 4 electrons • a carbon atom can complete its valence shell by forming four covalent bonds • the bond angle between each bond is 90°, forming an arrangement like the points on a compass • carbon has a total of 4 electrons • carbon readily forms ionic bonds
AP Biology, Period 2 Chapter 4 Quiz
1. Which element is most particularly associated with organic chemistry? • Carbon • Sulfur • Nitrogen • Potassium • oxygen
2. At the beginning of the 19th century, it was thought that the substances that made up living things were special and could not be synthesized by ordinary chemical methods. This now-discarded theory was called the theory of ___________. • Special creation • Spontaneous generation • Vitalism • Protoplasmic dynamism • None of the above
AP Biology, Period 6 Chapter 4 Quiz
1. How many hydrogen atoms can be attached to carbon A? • 0 • 1 • 2 • 3 • 4
2. Enantiomers are molecules that _____. • are isomers that differ in the covalent partnerships between their atoms • contain a carboxyl group • differ in the arrangement of their molecules about a double bond • are mirror images • contain an —OH group