Test Bank for Campbell Essential Biology 4th Edition Simon
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1)
______ is an example of an element.
1)
_______
A)
Carbon
B)
Methane
C)
Water
D)
Glucose
E)
Salt
2)
Which of the following elements is not one of the four most common elements in living things?
2)
_______
A)
hydrogen
B)
oxygen
C)
nitrogen
D)
zinc
E)
carbon
3)
Which of the following elements, essential to life, is a trace element?
3)
_______
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A)
carbon
B)
hydrogen
C)
calcium
D)
iodine
E)
phosphorus
4)
An atom with a positive charge has ______.
4)
_______
A)
more protons than neutrons
B)
more protons than electrons
C)
equal numbers of protons, electrons, and neutrons
D)
more electrons than protons
E)
more neutrons than protons
5)
All atoms of an element have the same number of ______.
5)
_______
A)
protons
B)
electrons
C)
protons plus neutrons
D)
neutrons
E)
electrons plus neutrons
6)
An atom's protons are found in its ______.
6)
_______
A)
nucleus
B)
electron cloud
C)
molecule
D)
neutron
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E)
isotope
7)
Beryllium's atomic mass is 9 and its atomic number is 4. How many neutrons are found in a beryllium
atom?
7)
_______
A)
2
B)
13
C)
4
D)
9
E)
5
8)
An uncharged atom of gold has an atomic number of 79 and an atomic mass of 197. This atom has ______
protons, ______ neutrons, and ______ electrons.
8)
_______
A)
79 . . . 276 . . . 79
B)
276 . . . 118 . . . 79
C)
118 . . . 79 . . . 118
D)
118 . . . 276 . . . 118
E)
79 . . . 118 . . . 79
9)
The way Earth moves about the sun is most like ______.
9)
_______
A)
a proton and neutron moving around an electron
B)
a neutron and electron moving around a proton
C)
an electron moving around the nucleus of an atom