Which of the following oxides is considered as acidic oxides ?
Chemistry mid term revision

Quiz
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Science
•
11th Grade
•
Medium
Ahmed ٍSaid Diab
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55 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
aluminum oxide
zinc oxide
Calcium oxide
Phosphorus oxide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the same group, all of the following increases except for
electron affinity
Atomic volume
mass number
Atomic number
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of electrons for the element vanadium V23 in the 3d subshell is …………
7
3
8
9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The changing of iron ion Fe+2 to Fe+3 is considered a
Oxidation
Reduction
Excitation
Ionization
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The element that is in the second period and has 4 electrons p subshell with electrons in its atomic state is
N7
O8
B5
S16
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The substance that ionizes according to the equation MOH→MOH +H+ is ………..
organic acids
alkalis
Acids
salts
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following represents the electronic distribution of the iron cation in the compound Fe(OH)2 (Note that the atomic number of iron Fe is 26)
[Ar], 4S2, 3d4
[Ar], 4S1, 3d6
[Ar], 4S0, 3d5
[Ar], 4S0, 3d6
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