The chemical formula for rubidium peroxide is
A) RbOH.
B) RbO2.
C) Rb2O.
D) Rb2O2.
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Q202: Which of the compounds,Ca H2,H2O ,C H4,XeF4
Q203: The chemical formula for the nitrite ion
Q204: The compound,ClO ,is named
A)chlorite.
B)hypochlorite.
C)chlorine monoxide.
D)chlorine (II)oxide.
Q205: An aqueous solution of H Cl is
Q206: How many electrons are in the ion,SO42-?
A)26
B)46
C)48
D)50
Q208: The compound,Cu(I O3 )2,is named
A)copper iodate(II).
B)copper(I)iodate.
C)copper(I)iodate(II).
D)copper(II)iodate.
Q209: Na2S is named
A)sodium disulfide.
B)sodium sulfide.
C)sodium(II)sulfide.
D)sodium sulfur.
Q210: What is the chemical formula for strontium
Q211: In which set do all elements tend
Q212: What is the chemical formula for nickel(II)phosphate?
A)Ni2P
B)Ni2PO4
C)Ni3P2
D)Ni3(PO4)2
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