Multiple Choice
Which of the following is the correct chemical formula for sodium fluoride?
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3. Chemical Reactions
Naming Ionic Compounds
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Which pair of atoms will most likely form an ionic compound?
A
S and O
B
C and H
C
Na and Cl
D
O and N
Verified step by step guidance1
Understand that ionic compounds typically form between a metal and a nonmetal, where one atom donates electrons and the other accepts electrons, resulting in charged ions.
Identify the elements in each pair and classify them as metals or nonmetals. For example, Na (sodium) is a metal, and Cl (chlorine) is a nonmetal.
Recall that metals tend to lose electrons to form positive ions (cations), while nonmetals tend to gain electrons to form negative ions (anions).
Analyze each pair: S and O are both nonmetals, C and H are both nonmetals, O and N are both nonmetals, but Na and Cl consist of a metal and a nonmetal.
Conclude that the pair Na and Cl is most likely to form an ionic compound because it involves electron transfer between a metal and a nonmetal, resulting in ionic bonding.
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