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WorksheetsCHEM 308 ATOMIC STRUCTURE PRACTICE QUIZ
Total questions: 34
Worksheet time: 18mins
Name
Class
Date
1.
What scientist first developed 4 rules for atomic theory, and helped kick start modern chemistry?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
2.
Experiments with cathode rays led to the discovery of the
a)
electrons
b)
nucleons
c)
protons
d)
neutrons
3.
In a correctly written symbol what would be located in the "A" position?
a)
number of neutrons
b)
atomic number
c)
number of electrons
d)
mass number
4.
How many neutrons are in the atom "K"?
a)
7
b)
2
c)
39
d)
12
5.
Copper occurs naturally as Cu-63 and Cu-65. Which isotope is more abundant?
a)
Cu-63
b)
Cu-65
6.
Valence electrons for Sulfur
a)
3
b)
4
c)
5
d)
6
7.
Isotopes have the same number of protons, but a different number of ________________.
a)
Quarks
b)
Electrons
c)
Neutrons
d)
Photons
8.
Isotopes have the same number of protons, but a different number of ________________.
a)
Quarks
b)
Electrons
c)
Neutrons
d)
Photons
9.
Which particle has a similar mass to a proton?
a)
Electron
b)
Neutron
c)
Photon
d)
Marble
10.
Who discovered the electron?
a)
Democritus
b)
Dalton
c)
Thomson
d)
Rutherford
11.
The mass of a proton is _______.
a)
1 amu
b)
1 gram
c)
has no mass
d)
undetermined
12.
Which atomic particle has a positive charge?
a)
Proton
b)
Neutron
c)
Electron
13.
Which subatomic particle has a neutral charge?
a)
Proton
b)
Neutron
c)
Electron
14.
Who formulated the electron shell theory?
a)
Thomson
b)
Rutherford
c)
Bohr
d)
Schroedinger
15.
How many protons does Carbon have?
a)
3
b)
4
c)
5
d)
6
16.
This scientist discovered that the atom was mostly empty space.
a)
Democritus
b)
Dalton
c)
Thomson
d)
Rutherford
17.
This scientist had the "plum pudding" model.
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Nagaoka
18.
When there are the same number of protons and electrons in an atom, that atom is a...
a)
positive ion.
b)
negative ion.
c)
unstable isotope.
d)
neutral atom.
19.
This group typically gains or shares one electron.
a)
Halogens
b)
Noble Gases
c)
Alkaline Earth Metals
d)
Alkali Metals
20.
How many Valance electrons does Iodine Have?
a)
6
b)
16
c)
7
d)
17
21.
What is the name of the group that never reacts--ever ever they are stable with a full outermost orbital!!!
a)
noble gases
b)
transition
c)
halogens
d)
borons
22.
What is the name of the group that has the MOST reactive NONMETALS in it?
a)
alkali
b)
alkaline earth
c)
noble gases
d)
halogens
23.
How many dots would you draw around a Nitrogen atom to show the valence electrons
a)
3
b)
4
c)
5
d)
6
24.
Which of the following has six valence electrons?
a)
Sodium
b)
Iodine
c)
Oxygen
d)
Neon
25.
Found in the nucleus of the atom
a)
electrons only
b)
protons only
c)
neutrons and protons
d)
neutrons and electrons
26.
What element is represented in this Bohr Model?
a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
27.
Where on the periodic table are most of the metals found?
a)
Right Side
b)
Along the Zig Zag Line
c)
Left Side
28.
Where on the periodic table are most of the nonmetals found?
a)
Right Side
b)
Along the Zig Zag Line
c)
Left Side
29.
Where on the periodic table are the metalloids found?
a)
Right Side
b)
Along the Zig Zag Line
c)
Right Side
30.
Rutherford discovered the...
a)
electron
b)
proton
c)
neutron
d)
nucleus
31.
Ernest Rutherford discovered that atoms were mostly _________________.
a)
negatively charged
b)
positively charged
c)
electrons
d)
empty space.
32.
Rutherford's gold foil experiment provided evidence that...
a)
negative and positive charges are spread evenly throughout the atom.
b)
alpha particles have a positive charge.
c)
gold is not a dense as previously thought.
d)
there is a dense positively charged nucleus at the center of an atom.
33.
How many bonds can the following element form?
a)
1
b)
2
c)
3
d)
4
34.
How many electrons can the second energy level (shell) of a Bohr-Rutherford diagram have?
a)
2
b)
6
c)
8
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