Multiple Choice
Which type of solid typically has the highest melting point?
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13. Liquids, Solids & Intermolecular Forces
Atomic, Ionic, and Molecular Solids
Multiple Choice
Which of the following elements exists as a metallic lattice in its standard state?
A
Sulfur (S_8)
B
Phosphorus (P_4)
C
Oxygen (O_2)
D
Copper (Cu)
Verified step by step guidance1
Understand the concept of a metallic lattice: In a metallic lattice, atoms are arranged in a regular, repeating pattern where metal atoms share a 'sea of electrons' that allows for properties like electrical conductivity and malleability.
Identify the physical state and bonding of each element in its standard state: Sulfur (S_8) exists as discrete S_8 molecules held together by van der Waals forces, Phosphorus (P_4) exists as P_4 tetrahedral molecules, and Oxygen (O_2) exists as diatomic molecules with covalent bonds.
Recognize that these molecular forms (S_8, P_4, O_2) do not form metallic lattices because they are composed of distinct molecules rather than a continuous network of metal atoms.
Recall that Copper (Cu) is a transition metal and in its standard state forms a metallic lattice where atoms are closely packed and electrons are delocalized, characteristic of metals.
Conclude that among the given options, only Copper (Cu) exists as a metallic lattice in its standard state.
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