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Negatively charged particle with spin 1/2. A component of mundane terrestrial matter, and part of all neutral atoms and molecules. It has a mass about 1/1800 that of a proton. Its antiparticle is the positron.

1 vote
1 answer
703 views

Ionization energy meaning in terms of Bohr model

Ionization energy means the energy required to remove an electron from the valence shell of an atom. Now Bohr did believe in orbits, so what does ionization energy mean in the Bohr model? I understand …
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1 vote
2 answers
81 views

Need help in clarifying my understanding regarding absorption and emission spectrum

In absorption spectrum . So , what happens here is that when white light is passed through a gas. The photons of the white light are absorbed by the electron in the gas. This means that the electron …
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0 votes
1 answer
1k views

How do we choose last electron & write the quantum numbers for that element?

I was solving questions about writing the quantum numbers of the last electron of an element. For Ions like Na+ , Na , O , Cl it was easy. But for elements like Scandium , Yttrium , Iron I am having d …
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-3 votes
1 answer
111 views

How does an atom for non-metals look like?

Also, they (Online and textbook material) say electrons are not present in orbits(according to quantum mechanics).Then, Online almost all the diagrams show electron to be present in orbit. …
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