In the following drawings,shaded spheres represent cations and unshaded spheres represent anions.
-Which drawing represents the ionic compound Sr3(PO4) 2?
A) drawing (a)
B) drawing (b)
C) drawing (c)
D) drawing (d)
Correct Answer:
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A)nitrate ion.
B)nitrite ion.
C)nitrogen
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Q238: What is the chemical formula for iron(II)phosphate?
A)Fe2P
B)Fe2PO4
C)Fe3P4
D)Fe3(PO4)2
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A)sodium dioxide.
B)sodium oxide.
C)sodium(II)oxide.
D)sodium oxygen.
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A)Ca(TeO3).
B)Ca(TeO2).
C)CaTe.
D)CaTe2.
Q245: In the following drawings,shaded spheres represent cations
Q246: 81 g of HBr react with 40
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