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31 questions
How many electron groups do BeF2 has?
1
2
3
4
Which of the following is the AXE Notation for BeF2?
AX
AX2
AX2E
AX3
Which of the following is the Electron Pair Geometry for BeF2?
trigonal planar
bent
linear
tetrahedral
How many electron groups do O3 has?
4
3
2
1
Which of the following is the AXE Notation for O3?
AX3
AX2
AX3E
AX2E
Which of the following is the Electron Pair Geometry for O3?
Tetrahedral
Linear
Trigonal Planar
Octahedral
Which of the following is the hybridization for H2O?
sp
sp2
sp3
sp3d
Which of the following is the hybridization for CS2?
sp2
sp3d2
sp
sp3d
What rule do we follow in doing Lewis Electron Dot Structures?
Law of Conservation of Mass
Binary Rule
Octet Rule
Law of Multiple Proportions
Which electrons do we use in LEDS?
Core electrons
Valence electrons
Shielding electrons
Lowest level electrons
What type of bonding that transfers electrons from one atom to another?
Metallic bonding
Covalent bonding
Ionic Bonding
How many valence electrons do Carbon has?
1
2
3
4
Which of the following has the largest atomic radius?
Sc
Rb
Mn
Sr
Which of the following has the smallest atomic radius?
Sc
Rb
Mn
Sr
Which of the following is most electronegative?
C
F
N
O
Which of the following is least electronegative?
C
F
N
O
Which of the following has the greatest ionization energy?
P
He
F
Ga
Which of the following has the least ionization energy?
P
He
F
Ga
Which of the following is the value of p as angular momentum quantum number?
1
2
3
0
The m values for angular momentum 1 are
0
-1 0 1
-2 -1 0 1 2
How many orbital diagrams does d has?
7
3
1
5
How many electrons can stay in f subshells?
2
3
10
14
Which of the following atoms can be found in Group 7?
1s2 2s2 sp3
1s2 2s2 2p5
1s2 2s2 2p2
1s2 2s2 2p6
Which of the following has the electronic configuration of 1s2 2s2 2p6 3s2 3p1?
Cl
P
S
Al
What type of reaction wherein a chemical specie transfer electrons to another chemical specie?
Combination Reaction
Oxidation-Reduction Reaction
Synthesis
Decomposition Reaction
Which of the half reactions shows acceptance electrons?
Reduction
Oxidation
Which of the half reactions shows donation of electrons?
Reduction
Oxidation
In the given reaction, Zn + O2 --> ZnO, which of the species was reduced?
Zn
ZnO
O2
In the given reaction, Zn + O2 --> ZnO, which of the species was oxidized?
Zn
ZnO
O2
In the reaction, KClO3 + HBr --> Br2 + H2O + KCl, how many water molecules is found in the balanced equation?
1
2
3
4
Calculate the average atomic mass of the given isotopes below.
Chlorine-35: atomic mass =34.969amu=34.969amu and percent abundance =75.77%
Chlorine-37: atomic mass =36.966amu=36.966amu and percent abundance =24.23%
37
36.54
35.46
33.45
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