The Shell Having N = 2 Contains ________ Subshells,________ Orbitals,and

question 19

Multiple Choice

The shell having n = 2 contains ________ subshells,________ orbitals,and up to ________ electrons.

• A)1;2;4
• B)2;4;8
• C)3;6;12
• D)4;8;16
• E)none of the above

---

Definitions:

Neurotransmitter Molecules

Chemicals that transmit signals across a synapse from one neuron to another target neuron.

Sending Neuron

A neuron that transmits a chemical or electrical signal to another neuron across a synapse during neurotransmission.

Excitatory Signals

Neural impulses that increase the likelihood of a neuron firing, leading to an action.

Action Potential

A short-lasting event in which the electrical membrane potential of a cell rapidly rises and falls, allowing neurons to transmit signals over distances.