A Solid Substance Has a High Melting Point, Is Hard

question 16

Multiple Choice

A solid substance has a high melting point, is hard, brittle, and conducts electricity when molten. This substance is probably a(n) ________ solid.

• A)metallic
• B)ionic
• C)network
• D)nonpolar molecular
• E)polar molecular

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Definitions:

Synapse

The junction between two neurons or between a neuron and a muscle where transmission of electric or chemical signals occurs.

Ganglia

Structures containing nerve cell bodies, typically located outside of the central nervous system, which relay impulses between neurons.

Celiac Ganglion

A cluster of nerve cells located in the abdomen, part of the sympathetic nervous system, that helps control the digestive system.

Ganglia

Structures containing a collection of nerve cell bodies, typically located outside the central nervous system, that process and relay neuronal signals.