The solid compound,Na2CO3,contains
A) Na+,C4+,and O2- ions.
B) Na+ ions and CO32-ions.
C) Na2+ and CO32- ions.
D) Na2CO3 molecules.
Correct Answer:
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Q60: Identify the chemical symbol of element Q
Q61: The formula for dinitrogen trioxide is
A)N(OH)3.
B)(NO3)2.
C)N2O3.
D)N3O2.
Q62: What is the name of the compound
Q63: By analogy with the oxoanions of sulfur,H2TeO3
Q64: The ions ClO4-,ClO3-,ClO2-,and ClO- are named respectively
A)hypochlorate,chlorate,chlorite,perchlorite.
B)hypochlorite,chlorite,chlorate,perchlorate.
C)perchlorate,chlorate,chlorite,hypochlorite.
D)perchlorite,chlorite,chlorate,hypochlorate.
Q66: How many of the following names are
Q67: What group of elements does the shaded
Q68: The definitive distinction between ionic bonding and
Q69: The compound,NO2,is named
A)nitrate.
B)nitrite.
C)nitrogen dioxide.
D)nitrogen(IV)oxide.
Q70: The thiosulfate ion is
A)HS-.
B)HSO42-.
C)SO52-.
D)S2O32-.
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