Aluminum reacts with a certain nonmetallic element to form a compound with the general formula Al2X3.Element X must be from Group ________ of the Periodic Table of Elements.
A) 3A
B) 4A
C) 5A
D) 6A
E) 7A
Correct Answer:
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Q91: The charge on the _ ion is
Q92: Which one of the following compounds is
Q93: The suffix -ide is used primarily _.
A)for
Q94: Which one of the following polyatomic ions
Q95: A correct name for Fe(NO3)2 is _.
A)iron
Q97: The correct name for HNO2 is _.
A)nitrous
Q98: Which formula/name pair is incorrect?
A)FeSO4 iron(II)sulfate
B)Fe2(SO3)3 iron(III)sulfite
C)FeS
Q99: Which one of the following compounds is
Q100: Barium reacts with a polyatomic ion to
Q101: Vertical columns of the periodic table are
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