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Worksheetsgrade 8 shells of atoms and periodic table
Total questions: 15
Worksheet time: 6mins
Name
Class
Date
1.
Which two subatomic particles are found in the NUCLEUS of at atom?
a)
protons & nuetrons
b)
protons & electrons
c)
neutrons & electrons
d)
electrons & protons
2.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
3.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
4.
Beryllium has how many protons?
a)
4
b)
9.0122
c)
2
d)
13.0122
5.
What element is this?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
6.
What element is this model showing?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
7.
What is the element symbol for boron?
a)
B
b)
Bo
c)
Bn
d)
W
8.
An atom of a certain element has 14 protons, 14 electrons, and a mass number of 27. At room temperature it serves as an excellent semiconductor. How many neutrons are in this atom?
a)
28
b)
14
c)
27
d)
13
9.
How many protons does this element have?
a)
40
b)
21
c)
20
d)
41
10.
What does the 1 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
11.
What is the chemical symbol for Chlorine?
a)
C
b)
Ch
c)
Cl
12.
What is the chemical symbol for Magnesium?
a)
M
b)
Mg
c)
Ma
13.
What is the chemical symbol for Zinc?
a)
Z
b)
Zi
c)
Zn
14.
What does the chemical symbol Au stand for?
a)
Gold
b)
Silver
15.
Who arranged the first periodic table.
a)
Mosely
b)
Einstein
c)
Mendeleev
d)
Bohr
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