Chapter 2 - Chemical Bonds
Authored by Victor Aguirre
Biology
University
Used 4+ times
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Proteins consist of which elements?
carbon
hydrogen
oxygen
nitrogen
phosphorus
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Lipids consist of which elements?
carbon
hydrogen
oxygen
nitrogen
phosphorus
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following are examples of lipids?
steriods
phospholipids
waxes
fats
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following are compounds?
H2O, O2, and CH4
H2O and O2
O2 and CH4
H2O and CH4, but not O2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a substance dissolves another substance it is a _______. For example, water can dissolve sugar.
solvent
solute
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property of water is described: Water requires a large amount of heat energy to be converted from liquid to gas?
high heat capacity
high heat of vaporization
less dense as a solid
universal solvent
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We can represent atoms by listing the number of protons, neutrons, and electrons—for example, 2p+, 2n0, 2e- for helium. Which of the following represents the 18O isotope of oxygen?
7p+, 2n0, 9e-
8p+, 10n0, 8e-
9p+, 9n0, 9e-
10p+, 8n0, 9e-
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