quarter final 3 (naming and chemical quantities)
Ammonium Bromide
(NH4)Br
What is the common ion charge on Cs
+1
What is the common ion charge on Mg
+2
What is the common ion charge on Al
+3
What is the common ion charge on Cl
-1
What is the common ion charge on O
-2
What is the common ion charge on N?
-3
6. What is the mass of 0.921 moles of sulfur dioxide gas (SO2)?
59 g
How many moles of nitrogen gas, N2, are there in 16.8 L of this gas at STP?
0.75 mol
Trisulfur heptaoxide
1. S3O7
Aluminum chloride
AlCl3
2. What is the empirical formula for a compound that is 7.70 % carbon and 92.3 % chlorine?
CCl4
CCl4
Carbon tetrachloride
Chlorine pentabromide
ClBr5
Cu3P
Copper (I) Phosphide
Li2S
Lithium Sulfide
Dinitrogen octafluoride
N2F8
What is the molecular formula for a compound that is 34.31% sodium, 17.93% carbon, 47.76% oxygen and has a molar mass of 134.00g?
Na2C2O4
Oxygen difluoride
OF2
2. What is the empirical formula for a compound that is 94.1% oxygen and 5.90 % hydrogen?
OH
Lead(II) iodate
Pb(IO3)2
What is the molecular formula for a compound that is 33.38% sulfur and 66.62% oxygen and has a molar mass of 192.14g?
S2 O8
Hexaselenium Decachloride
Se6Cl10
Be3P2
beryllium phosphide
H2(CO3)
carbonic acid
Cu(NO3)
copper (I) nitrate
N2F6
dinitrogen hexafluoride
P2O3
diphosphorus trioxide
Ga2O3
gallium oxide
HBr
hydrobromic acid
HI
hydroiodic acid
H2S
hydrosulfuric acid
H(IO3)
iodic acid
Fe(CO3)
iron (II) carbonate
Fe(ClO)2
iron (iii) hypochlorite
Ionic bonds form between
metals and nonmetals
Covalent bonds form between...
nonmetals
H3(PO3)
phosphorous acid
Ba(SO4)
barium sulfate
6. How many molecules of OF2 would have a mass of 0.132 g?
1.47 x 10 ^21
How many moles of Xenon gas, Xe, would occupy 37.8 L at STP?
1.70 mol
6. What is the mass of 2.23 x 10^23 atoms of sulfur?
11.9
What is the percentage of Cr in Al2(CrO4)3
38.8%
What is the percentage of Ni in Ni3(PO4)2
48.105%
What volume would 2.25 moles of Ne gas occupy at STP?
50.4 L
What is the percentage of Ba in Ba(NO3)2
60.32%
What is the mass of 3.20 x 1023 formula units of iron (III) oxide (Fe2O3)?
84.9g
What volume would 0.435 moles of hydrogen gas, H2, occupy at STP?
9.74 L
Barium acetate
Ba(C2H3O2)2
Beryllium nitride
Be3N2
What is the empirical formula for a compound that is 83.7 % carbon and 16.3 % hydrogen?
C3H7
What is the molecular formula for a compound that is 92.24 % carbon and 7.76% hydrogen and has a molar mass of 78.12g?
C6H6
Gallium iodide
Ga I3
Sulfuric acid
H2SO4
Arsenic acid
H3AsO4
hydrofluoric acid
HF
Permanganic acid
HMnO4
Mercury(II) hypochlorite
Hg(ClO)2
IBr3
Iodine tribromide
Fe(C2H3O2)3
Iron (III) Acetate
Potassium hydroxide
K(OH)
How can I tell I'm looking at an ionic compound when given a chemical formula
The first elements in the compound will almost always be a metal
How can I tell I'm looking at an acid if I'm given a chemical formula
The formula will begin with an H
Al(NO3)3
aluminum nitrate
Sn(SO4)
tin (II) sulfate