Multiple Choice
Which of the following is the correct formula for the compound formed by iron(II) ions and chromate ions?
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3. Chemical Reactions
Naming Ionic Compounds
Multiple Choice
Which one of the following is most likely to be an ionic compound?
A
NaCl
B
CO2
C
H2O
D
CH4
Verified step by step guidance1
Step 1: Understand the difference between ionic and covalent compounds. Ionic compounds form when atoms transfer electrons, typically between metals and nonmetals, resulting in positive and negative ions held together by electrostatic forces.
Step 2: Identify the elements in each compound and their typical bonding behavior. For example, NaCl consists of sodium (a metal) and chlorine (a nonmetal), which commonly form ionic bonds.
Step 3: Analyze the other compounds: CO2, H2O, and CH4. These are composed of nonmetals only, which usually share electrons to form covalent bonds rather than transferring electrons.
Step 4: Recognize that NaCl is formed from a metal and a nonmetal, making it the most likely to be ionic, while the others are molecular covalent compounds.
Step 5: Conclude that among the given options, NaCl is the compound most likely to be ionic due to the nature of its constituent elements and bonding type.
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