객관식
Which of the following best describes the arrangement of electrons in a metallic bond?
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11. Bonding & Molecular Structure
Chemical Bonds
객관식
If the boron nitride molecule (BN) were to form, which type of chemical bond would most likely exist between the boron and nitrogen atoms?
A
Covalent bond
B
Hydrogen bond
C
Ionic bond
D
Metallic bond
검증된 단계별 안내1
Step 1: Identify the elements involved and their positions on the periodic table. Boron (B) is a metalloid in group 13, and nitrogen (N) is a nonmetal in group 15.
Step 2: Determine the electronegativity values of boron and nitrogen. Electronegativity is a measure of an atom's ability to attract electrons in a bond. Nitrogen has a higher electronegativity than boron, but the difference is moderate.
Step 3: Analyze the type of bond based on electronegativity difference. A large difference (usually > 1.7) suggests ionic bonding, a small difference suggests covalent bonding, and metallic bonding occurs between metal atoms.
Step 4: Since boron and nitrogen have a moderate electronegativity difference and both are nonmetals or metalloids, they tend to share electrons rather than transfer them completely, indicating a covalent bond.
Step 5: Conclude that the bond between boron and nitrogen in BN is most likely a covalent bond because they share electrons to achieve stable electron configurations.
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