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WorksheetsChemistry
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
The group number tells us how many _________ there are in an element.
a)
groups
b)
valence electrons
c)
energy levels
d)
chemicals
2.
The ________________ tells you how many energy levels are used in an element.
a)
group number
b)
atom
c)
protons
d)
period number
3.
The element Tellurium has the atomic mass of 127.60 and its atomic number is 52. How many neutrons are in the element Tellurium?
a)
179.60
b)
127.60
c)
52
d)
76
4.
The inner energy level can only hold ______ electrons.
a)
1
b)
0
c)
2
d)
18
5.
The largest amount of electrons the 3rd energy level can hold is?
a)
18
b)
unlimited amount
c)
2
d)
8
6.
The characteristics or properties of metals include
a)
shiny and solid
b)
ductile and malleable
c)
lose electrons
d)
all of the above
7.
True or False - An energy level has to be full before moving on to the next energy level?
a)
true
b)
false
8.
How many valence electrons do elements in group 17 have in their outer energy level?
a)
7
b)
17
c)
1
d)
0
9.
Is the Bohr Model for the element Selenium (Se) correct?
a)
yes
b)
no
10.
Is this a correct representation of the Bohr Model for Sodium (Na)?
a)
no
b)
yes
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