Can sodium chloride be categorised as a giant molecular structure

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Discussion Overview

The discussion revolves around the classification of sodium chloride in relation to giant molecular structures, specifically comparing it to graphite and diamond. Participants explore the definitions and bonding types that differentiate these substances.

Discussion Character

  • Conceptual clarification, Debate/contested

Main Points Raised

  • One participant questions why sodium chloride is excluded from the category of giant molecular structures, suggesting that graphite and diamond are the only examples.
  • Another participant inquires about the types of bonds that hold the atoms together in each crystal structure.
  • A response identifies the bonding in graphite as covalent and in sodium chloride as ionic.
  • A further clarification states that a molecule is defined as two or more atoms covalently bonded, implying that ionic bonds do not meet this definition.

Areas of Agreement / Disagreement

Participants appear to disagree on the classification of sodium chloride as a giant molecular structure, with some supporting its exclusion based on bonding definitions while others question this categorization.

Contextual Notes

The discussion hinges on the definitions of molecular structures and bonding types, which may depend on specific interpretations and contexts. There are unresolved aspects regarding the implications of these definitions on the classification of sodium chloride.

mutineer123
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I was attempting this question where I had to say which, out of graphite, diamond and sodium chloride represent a giant molecular structure? The answer is only the first two. Why is the latter excluded?
 
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What kind of bonds keeps atoms together in each crystal?
 
covalent in first,ionic in last
 
Stemming from that, a molecule is defined as two or more atoms covalently bonded. By definition, ionic bonds are excluded.
 

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