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WorksheetsU2 Review (Zeph)
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Who is most known for the planetary atomic model?
a)
Bohr
b)
JJ Thompson
c)
Heisenberg
d)
Rutherford
2.
Metals are to the _____ of the stairs?
a)
Right
b)
Left
3.
A new element is discovered and named Chemtite. Chemtite-90 occurs 70% of the time and Chemtite-89 is found 30% of the time.
Find the average atomic mass.
Find the average atomic mass.
a)
90
b)
89.5
c)
89.7
d)
89.3
4.
Isotopes have a different number of
a)
Protons
b)
Electrons
Electrons
Electrons
c)
Neutrinos
d)
Neutrons
5.
A new isotope of Carbon has a molar mass of 15g. How many protons does it have?
a)
9
b)
8
c)
7
d)
6
6.
He used a cathode ray to detect electrons
a)
Rutherford
b)
JJ Thompson
c)
Millikan
d)
de Broglie
7.
What is the full electron configuration for Oxygen?
a)
1s22s22p4
b)
816O
c)
1s22p4
d)
2p4
8.
Is Fluorine more or less electronegative than Lithium?
a)
More
b)
Less
9.
What element is in the same period as Carbon?
a)
Nitrogen
b)
Silicon
c)
Diamond
d)
Aluminum
10.
Group 1 is known as the
a)
Alkali metals
b)
Alkaline metals
c)
Alkal metals
d)
Alkalin metals
11.
Groups 3-12 are known as
a)
The Common metals
b)
The Hard metals
c)
The Transition metals
d)
The Transformation metals
12.
Which of the following is a metalloid?
a)
Polonium
b)
Aluminum
c)
Tellurium
d)
Cobalt
13.
Which is not a reason why Alloys are useful?
a)
They increase Strength
b)
They decrease weight
c)
They prevent rust
d)
They are the purest form of a single metal
14.
Elements 57-71 are in the
a)
Lanthanide series
b)
Actinide Series
15.
An neutral atom gains two electrons, what is its charge now?
a)
-2
b)
+2
c)
0
d)
-4
16.
What noble gas does Strontium want to become?
a)
Krypton
b)
Neon
c)
Xeon
d)
Helium
17.
What atomic model came after the plum pudding model?
a)
Planetary
b)
Solid Sphere
c)
Nuclear
d)
Quantum Mechanical
18.
What element is this if the red sub-atomic particles are protons
a)
Helium
b)
Lithium
c)
Beryllium
d)
Boron
19.
What atomic model is this?
a)
Planetary
b)
Electron Cloud
c)
Plum Pudding
d)
Nuclear
20.
How many Neutrons does an atom of this isotope have?
a)
6
b)
8
c)
14
d)
7
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