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WorksheetsAtomic Theory/Periodic Table Review
Total questions: 36
Worksheet time: 18mins
Name
Class
Date
1.
What particle provided the positive charge for an atom?
a)
proton
b)
neutron
c)
electron
d)
nucleus
2.
Which particle does not contribute mass to the atom?
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus
3.
Which particle contributes the negative charge to the atom?
a)
proton
b)
electron
c)
neutron
d)
nucleus
4.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
5.
What is the atomic mass (rounded to the nearest whole number) of this element
a)
196
b)
196.95
c)
197
d)
79
6.
What scientist is best known for his "Plum Pudding" model of the atom?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
7.
What scientist is best known for his gold foil experiment?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
8.
Who is the first scientist to think that the atom was the smallest unit of matter?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
9.
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
10.
All matter is made of what?
a)
energy
b)
atoms
c)
electrons
d)
compounds
11.
The particles that are found in the nucleus of an atom are
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
12.
The atomic number of an elements is the total number of which particles in the nucleus?
a)
neutrons
b)
protons
c)
electrons
d)
protons and electrons
13.
An atom has 5 protons, 7 neutrons and 5 electrons. What is the mass number of the atom?
a)
5
b)
7
c)
2
d)
12
14.
An atoms overall charge is
a)
positive
b)
depends on its mood
c)
neutral
d)
negative
15.
Subatomic particle that determines the identity of the atom
a)
proton
b)
nucleus
c)
electron
d)
neutron
16.
Hydrogen has 1 proton. It's atomic number is:
a)
0
b)
1
c)
2
d)
cannot be determined
17.
An atom has 10 protons and a mass of 18. It has __ neutrons
a)
10
b)
18
c)
28
d)
8
18.
Which of the following has all of the subatomic particles that make up an atom?
a)
Protons, Nucleus, Electrons
b)
Neutrons, Nucleus, Protons
c)
Electrons, Quarks, Protons
d)
Electrons, Protons, Neutrons
19.
Which scientist is credited with discovering the negatively charge subatomic particles in the atom?
a)
Neils Bohr
b)
J.J. Thompson
c)
Ernest Rutherford
d)
Dalton
20.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving everywhere.
21.
Which of the following is a subatomic particle with no charge that is found in the nucleus of an atom?
a)
Electron
b)
Proton
c)
Neutron
d)
Quark
22.
Ernst Rutherford discovered that the atom is
a)
Compound of mostly empty space with negative electrons surrounding a positive nucleus
b)
A highly dense sphere of positive
c)
A highly dense sphere of a negative space
d)
Composed mostly of empty space with positive electrons surrounding a negative nucleus
23.
What did James Chadwick discover?
a)
Neutron
b)
Proton
c)
Electron
d)
Who cares I want to go home!
24.
An ______________ is the same element, with the same number of protons, but different numbers of neutrons
a)
Atom
b)
Isotope
c)
Atomic Number
d)
Mass Number
25.
Isotopes are forms of an element that have the same number of protons but a different number of electrons.
a)
True
b)
False
26.
Niels Bohr suggested that electrons.......
a)
are found in specific orbits
b)
electrons are scattered throughout the atom
c)
electrons move according to their energy level
d)
electrons are positive
27.
What is the element name for the symbol H?
a)
Hydrogen
b)
Helium
28.
Which element is not in the Alkali metal family?
a)
Li
b)
H
c)
Fr
d)
Cs
29.
Which element is not a metal?
a)
H
b)
Re
c)
Al
d)
B
30.
Elements on the right side of the of the zigzag line are normally?
a)
non metals
b)
metals
c)
metalloids
d)
rare earth metals
31.
what does the 6 represent?
a)
Atomic mass
b)
atomic number
c)
chemical symbol
d)
element name
32.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol
33.
most of the elements on the periodic table are
a)
non metals
b)
metals
c)
metalloids
d)
none
34.
Dmitri Mendeleey organized his periodic table in order of increasing.....
a)
density
b)
atomic number
c)
atomic mass
d)
none of these
35.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
36.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
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