What is the formula for the nitride of europium(III) ?
A) EuN
B) Eu2N3
C) Eu(NO3) 2
D) Eu(NO3) 3
E) Eu(NO2) 3
Correct Answer:
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Q106: What is the formula of calcium nitrite?
A)Ca(NO2)2
B)Ca3N2
C)Ca2(NO2)2
D)Ca2N3
E)Ca(NO2)3
Q107: Choose the name-formula pair that does not
Q108: The chemical formula for iron(III)sulfide is
A)Fe2(SO4)3.
B)Fe2S3.
C)Fe2(SO3)3.
D)Fe3(SO3)2.
E)Fe3(SO4)2.
Q109: Choose the name-formula pair that does not
Q110: The formula for potassium carbonate is
A)P2C.
B)K2CO3.
C)Po2CO3.
D)P2CO3.
E)K2C.
Q112: The formula for copper(II)phosphate is
A)Co2(PO4)3.
B)CuPO4.
C)Co3(PO4)2.
D)Cu2(PO4)3.
E)Cu3(PO4)2.
Q113: The formula for magnesium nitride is
A)Mg2N3.
B)Mg3N2.
C)MgNO2.
D)Mg(NO2)2.
E)MgN.
Q114: The formula for aluminum chloride is
A)AlCl3.
B)AlCl.
C)Al2Cl.
D)AlCl4.
E)AlCl2.
Q115: The formula of calcium sulfide is
A)CaS.
B)CaSO2.
C)CaSO3.
D)CaSO4.
E)Ca(SO4)2.
Q116: The chemical name for the binary,non-ionic molecule
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