Question 1. which of the following is not an example of a polymer?
a) plastic
b) nylon<...
Question 1. which of the following is not an example of a polymer?
a) plastic
b) nylon
c) amino acid
d) polystyrene
question 2. a carbon atom is able to form four single covalent bonds because it
a) has four electrons and four protons.
b) has four valence electrons in its outermost energy level.
c) forms a polyatomic ion with a -4 charge.
d) forms a more stable isotope when it gains four more electrons.
question 3. an organic compound that contains a carbonyl group with a hydroxyl group attached to it is an example of a(n)
a) ester.
b) alcohol.
c) amine.
d) carboxylic acid.
question 4. all of the following release carbon into the atmosphere except the
a) combustion of fossil fuels.
b) cellular respiration of plants and animals.
c) burning of trees in deforestation.
d) sedimentation of dead organisms.
question 5. what group of organic compounds has a hydroxyl group -o-h attached to a carbon atom?
a) alcohols
b) amines
c) ethers
d) ketones
Answers: 2
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Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
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