Which one of the following is a free radical?
A) H₂S
B) NO
C) NH₃
D) CF₄
Correct Answer:
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Q124: The correct formula for iron(III)carbonate is
A)FeCO₃.
B)Fe₂CO₃.
C)Fe₃CO₃.
D)Fe₂(CO₃)₃.
Q125: Which one of the following compounds does
Q126: The correct formula for the nitrite ion
Q127: The chemical formula for silver sulfate is
A)AgSO₄.
B)Ag₂SO₄.
C)Ag(SO₄)₂.
D)Ag₃SO₄.
Q128: Which one of the following compounds does
Q130: The number of electrons contained in several
Q131: When a phosphorus atom combines with hydrogen
Q132: The formula of sodium chromate is
A)NaCrO₄.
B)Na₂Cr.
C)Na₂CrO₄.
D)Na₃(CrO₄)₂.
Q133: The electron dot formula for carbon monoxide,CO,is
A)
Q134: How many nitrogen atoms are in the
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