객관식
Which is the correct name for the compound Na2SO4?
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3. Chemical Reactions
Naming Ionic Compounds
Multiple Choice
Which of the following correctly identifies the symbol and name of the cation present in table salt?
A
Mg^{2+}, magnesium ion
B
Na^+, sodium ion
C
K^+, potassium ion
D
Ca^{2+}, calcium ion
검증된 단계별 안내1
Understand that table salt is common sodium chloride, which consists of sodium and chloride ions.
Identify the cation in table salt by recalling that sodium chloride is composed of Na^+ (sodium ion) and Cl^- (chloride ion).
Recognize that the cation is the positively charged ion, which in this case is Na^+.
Review the given options and match the correct symbol and name for the cation in table salt, which is Na^+, sodium ion.
Confirm that other options like Mg^{2+}, K^+, and Ca^{2+} are cations of different elements not present in table salt.
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