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A quantum number is a value that is used when describing the energy levels available to atoms and molecules.
It defines the exact position of electron in atom.
photo owner: Universiteit Leiden
Imagine yourself walking into a pizzeria to buy a delicious pizza.
A pizzeria sells many kinds of pizzas.
and serves for each kind three different sizes (small-medium-large)
To remember all these data , the owner arranged kinds , sizes and prices in a respective way in a table (or The Menu) .
In this case, the menu is our matrix.
The law of Conservation of Energy refers to an isolated system in which there is no net change in energy and where energy is neither created nor destroyed. Although there is no change in energy, energy can change forms, for example from potential to kinetic energy. In other words, potential energy (V) and kinetic energy (T) sum to a constant total energy (E) for a specific isolated system.
E = T + V
Another way that energy can change forms is heat (q) and work (w). As heat is applied to a closed system, the system does work by increasing its volume.
w = P e x t Δ V
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