No, all wavelengths/photons of light are emitted from excited electrons.
<h3>What is wavelength?</h3>
Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire.
When an atom's electrons move to a lower energy state, the atom releases energy in the form of a photon. Depending on the energy involved in the emission process, this photon may or may not occur in the visible range of the electromagnetic spectrum.
Hence, no, all wavelengths/photons of light are emitted from excited electrons.
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Answer:
(n, l, m, m(s)) => (Principle QN, Orbital QN, Magnetic QN, Spin QN)
Explanation:
n = row number => principle energy level n = 1 for Hydrogen (1st row), n = 2 for Lithium (2nd row), n = 3 for Sodium (3rd row) etc...
l = 0 => orbital QN => all have electrons entering s orbitals
m = 0 => orientation QN => spherical orbitals have m = 0
m(s) = +1/2 (1st e⁻) => spin QN
It is very important that the 2.5 M HCl can be added dropwise, slowly and carefully in order to make a good mixture.
<h3>Why HCl can be added dropwise, slowly and carefully?</h3>
Hydrochloric acid can be added in the solution dropwise and slowly in order to mix with the solution very well. This acid should also be mixed with the solution carefully.
This is because hydrochloric acid is a strong acid which can damaged the skin if it is not carefully pour into the solution so we can conclude that HCl can be added dropwise, slowly and carefully is very important in order to make a good mixture.
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The kinetic theory of gases describes a gas as a large number of submicroscopic particles, all of which are in constant, rapid, random motion. The randomness arises from the particles' many collisions with each other and with the walls of the container.
Answer:
Limiting - Na Excess - Cl2
Explanation: