Energy Levels Of Electrons As Determinants Of Emission Lines Of Electrons

**Strings (S _{i}P_{j}A_{jk}) = S_{7}P_{3}A_{32} Base Sequence = 12735 String Sequence = 12735 - 3 - 32 **

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Energy Levels Of Electrons As Determinants Of Emission Lines Of Electrons

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(a) What are emission lines of electrons?

(b) Figure 22.10 shows the six energy levels contained in a given molecule. Determine the maximum number of emission lines one would expect to see in this molecule

**The strings**:
S_{7}P_{3}A_{32} (Force - Push)
**The math**:

Pj Problem of Interest is of type *force* (push). Kinetic energy of electrons is in focus here. Excited electrons jump to higher energy levels and jump back to lower energy levels after emitting the energy that excited them. Kinetic energy of atoms result from atomic collisions which are *force-push* events.

(a) Electrons are excited when they absorb energy. The excited electrons jump to higher energy levels and jump back to lower energy levels after they emit the energy that excited them. *Emission lines* are the trails that indicate their return to a lower energy level from a higher energy level.

(b) If the highest energy level is 6 (n=6 in figure 22.10), then an electron can fall to energy levels 5, 4, 3, 2, 1. So, 5 emission lines are possible from n = 6. Similarly, 4 emission lines are possible from n=5; 3 emission lines from n= 4; 2 emission lines from n=3; 1 emission line from n=2 and 0 emission line from n=1 since this is the lowest energy level.

So, the maximum number of emission lines one would expect is:

5 + 4 + 3 + 2 + 1 = 15.

The *point* **.** is a mathematical abstraction. It has negligible size and a great sense of position. Consequently, it is front and center in abstract existential reasoning.

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