Which One of the Following Substances Does Not Exist in the Indicated

question 22

Multiple Choice

Which one of the following substances does not exist in the indicated solid type?

• A)graphite - network
• B)Na - metallic
• C)SiO ₂ - molecular
• D)NaCl - ionic
• E)diamond - network

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A mood disorder marked by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities.

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