In the Coordination Compound K₂[Co(en)Cl₄], the Coordination Number (C

question 13

Multiple Choice

In the coordination compound K₂[Co(en) Cl₄], the coordination number (C.N.) and oxidation number (O.N.) of cobalt are

• A) C.N. = 6; O.N. = +2.
• B) C.N. = 6; O.N. = +3.
• C) C.N. = 5; O.N. = +2.
• D) C.N. = 5; O.N. = +4.
• E) C.N. = 4; O.N. = +3.

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Definitions:

Myelin Sheath

The fatty layer that surrounds and insulates the axons of some neurons, which enables faster transmission of electrical impulses.

Neurotransmitters

Chemicals that transmit signals across a synapse from one neuron to another neuron, muscle cell, or gland cell.

Synaptic Vesicle

Membrane-bound sacs in the presynaptic terminals of neurons that store neurotransmitters, which are released into the synaptic cleft in response to an action potential.

Axon

A long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body.