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Unit 3 Review
Unit 3 Review
30 terms
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StudBud Administration
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8th grade science periodic table
Flashcards
30 cards
F
Practice quiz
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Host live
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Questions
30
Answers
1
?
C
A
D
B
2
?
C
D
B
A
3
?
A
D
C
B
4
?
B
D
C
A
5
Which 2 elements have the most similar chemical properties?
oxygen and nitrogen
Aluminum and silicon
Sulfur and Phosphorous
flourine and chlorine
6
Which 2 elements have the same number of valence electrons?
nitrogen and phosphorus
fluorine and oxygen
silicon and phosphorus
Sulfur and Chlorine
7
?
A
C
D
B
8
Which is a reactive metal?
C
B
D
A
9
What conclusion can you make about the elements shown above?
Aluminum has more valence electrons than silicon
nitrogen has more protons in its nucleus than phosphorus
sulfur has fewer protons in its nucleus than chlorine
aluminum is larger than chlorine
10
What do element 1 and 2 have in common?
Same number of valence electrons
same number of energy levels
same atomic number
same atomic mass
11
?
B
C
D
A
12
Which 2 elements have the same number of energy levels?
oxygen and sulfur
aluminum and silicon
fluorine and chlorine
nitrogen and phosphorus
13
?
B
D
A
C
14
?
A
C
D
B
15
?
B
C
A
D
16
?
D
B
A
C
17
?
C
A
B
D
18
Which of the following has the most similar properties to the top atom?
III
I
IV
II
19
?
B
A
D
C
20
?
D
A
C
B
21
Which of the following represent a stable atom that will not react?
D
B
C
A
22
?
D
A
C
B
23
?
B
C
D
A
24
where is the oxygen atom?
A
C
B
25
?
C
D
A
B
26
?
A
B
C
D
27
?
A
C
B
D
28
?
C
B
D
A
29
?
D
C
A
B
30
?
D
A
B
C
