WorksheetsExam 2 review
Total questions: 22
Worksheet time: 33mins
What is the degree for Linear molecular Structure
180
120
45
90
Which molecular shape has 4 bonds and 1 lone pair?
T-Shaped
Squar Pyramidal
Seesaw
Square Planar
Draw the lewis structure for NI3 and answer what the molecular structure is
Square pyramidal
seesaw
bent
trigonal pyramidal
What are the bond degrees for trigonal bipyramidal?
180
120
All are correct
90
What does VSEPR model stand for?
Valence-shell electron-pair repulsion
Valence-shell electron-pair resonance
Valance-shell electron-pair realization
Valance-shell electron-pair repair
Rubidium is a soft, silvery-white metal that has two common isotopes, 85 Rb and 87 Rb. If the abundance of 85 Rb is 72.2% and the abundance of 87 Rb is 27.8 %, what is the average atomic mass of rubidium?
86 amu
92 amu
78 amu
102 amu
What is the shape of this molecular structure?
Bent
Linear
Tetrahedral
Trigonal planar
What would be the bond angles between atoms in this molecule
180
120
109
90
What is the molar mass of SO2 ?
64.07 g SO2
98.00 g SO2
67.81 g SO2
56.11 g SO2
What would be the bond angles between atoms in the molecule?
180
120
109
90
What is the molar mass of CCl2F2?
162.2 g/mol
120.91 g/mol
79.91 g/mol
132.17 g/mol
How many moles does 22.0 grams of CO2 represent?
.500 mol CO2
.250 mol CO2
2.00 mol CO2
1.43 mol CO2
What is the mass of 5.0 moles of Ba(CN)2?
63 g
120 g
435 g
950 g
The percent composition of a compound was found to be 63.5% silver, 8.2% nitrogen and 28.3% oxygen. Determine the compound's empirical formula.
Ag2NO6
AgNO3
Ag3NO6
AgNO4
What is the shape of this molecule?
Tetrahedral
Trigonal pyramidal
Bent
Linear
What is the molecular structure for PF3
Tetrahedral
Trigonal Pyramidal
Trigonal Bipyramidal
Bent
What is the formula for the ionic compound formed between aluminum and oxygen?
AlO
AlO2
Al3O2
Al2O3
What is the symbol of barium hydroxide?
Ba(OH)
Ba(OH)2
Ba2(OH)
BaHO
what would be the mass of 2.41 x 10^24 formula units of barium hydroxide?
708 g
567 g
686 g
438 g
How many molecules does 11.0 grams of CO2 represent?
1.5 x 10^23
2.3 x 10^24
1.15 x 10^23
3.00 x 10^23
What is the number of valence electrons in the Lewis structure for SiH4?
5
12
8
18
Which of the following pairs is incorrect?
Iodine trichloride, ICl3
Phosphorus pentoxide, P2O5
Ammonia, NH3
Sulfur hexafluoride, SF6
