This quiz covers key concepts in inorganic chemistry, focusing on molecular formulas, mole calculations, and oxidation states, relevant to sections 1-3 of chapter 7.
700.0g
696.7g
256.2g
550.0g
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Cr3SO4
Cr(SO4)2
Cr2(SO4)3
Cr3(SO4)2
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Always -2
Always -1
Always zero
The charge that is on the ion
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Cation, anion
Anion, cation
Anion, polyatomic ion
Cation, polyatomic ion
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+2
-2
-8
+6
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Hard to tell
-1
+1
0
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+4
+2
+1
+8
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Ca2(OH)
CaOH
Ca(OH)3
Ca(OH)2
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Fe3(NO2)2
Fe(NO2)2
Fe(NO2)3
Fe2(NO2)
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CN, with a charge of -2
CN, with a charge of -1
CO, with a charge of -2
CN, with a charge of zero
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Co+1
Cu+3
Co+2
Cu+2
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You use the rules, make the squiggle, and add use the net charge to find the unknown.
You take one atom of each of the elements in the compound and add their atomic masses (red numbers)
You use the mole map
You take the number of atoms of each element in the compound, multiply that number by their average atomic masses (red numbers) and add them together.
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8%
4%
2%
1%
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360.36g
4.51x10^23
135.14g
180.18 g
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Bromide +1
Bromide -1
Bromium, +1
Bromium, -1
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+3
+6
+3
+4
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2
1
3
4
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6
2
4
1
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Nitric acid
Nitrous acid
Oxygen
Calcium
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Total number of atoms
Total number of moles
Formula mass
The number of molecules
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They signify the bond legnth
They determine the polarity
They relate the size if the atom to the ionization energy
They really have no direct physical meaning
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65.57%
21.86%
43.71%
43.43%
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A significant number on the mole map
Avogadro's number
The number of molecules/particles per one mole of a compound and or atom
All of the above
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