The Number Density of Conduction Electrons in a Metal Can

question 29

Multiple Choice

The number density of conduction electrons in a metal can be found from the density r of the metal,the mass per mole M of the metal,the number of conduction electrons per metal atom,and Avogadro's number N_A.If we assume one conduction electron per atom,which of the following gives the number density of conduction electrons for a given metal?

• A)N_A r M
• B)N_A r /M
• C)N_A M/r
• D)N_A /r M

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Definitions:

Potassium Ions

Positively charged ions (K+) vital for various physiological processes, including nerve signal transmission and muscle contraction.

Neuromodulators

Substances released by neurons in the nervous system that influence the strength or weakness of the signal being transmitted, altering the activity of other neurons or muscles.

Synaptic Transmission

The process by which nerve impulses are transmitted across a synapse from one neuron to another.

Neurotransmitter Receptor

A specialized protein on the surface of a cell, designed to bind with specific neurotransmitters to induce changes within the cell.