Multiple Choice
Which of the following elements exists as a metallic lattice in its standard state?
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13. Liquids, Solids & Intermolecular Forces
Atomic, Ionic, and Molecular Solids
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Which one of the following substances crystallizes in a metallic lattice?
A
Na
B
CO2
C
SiO2
D
NaCl
Verified step by step guidance1
Understand what a metallic lattice is: it is a structure where metal atoms are arranged in a regular pattern and share a 'sea of electrons' that allows for metallic bonding and properties like conductivity and malleability.
Identify the nature of each substance given: CO2 is a molecular compound with covalent bonds, SiO2 is a network covalent solid, NaCl is an ionic compound, and Na is a metal.
Recall that metallic lattices are formed by pure metals or metal atoms, not by ionic or covalent compounds.
Recognize that Na (sodium) is a metal and therefore crystallizes in a metallic lattice, while the others do not.
Conclude that among the options, Na is the substance that crystallizes in a metallic lattice.
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