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Results tagged with atomic-physics
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user 25403
Atomic physics is the field of physics that studies atoms as an isolated system of electrons and an atomic nucleus. It is primarily concerned with the arrangement of electrons around the nucleus and the processes by which these arrangements change. This includes ions as well as neutral atoms and, unless otherwise stated, for the purposes of this discussion it should be assumed that the term atom includes ions.
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What happens when you give excess energy to an atom?
So this is my question:
An electron in a hydrogen atom in its ground state absorbs energy equal to the ionisation energy of $Li^{2+}$. The wavelength of the emitted electron is?
I started off by …
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Do electrons collapse into nucleus, if electrons in the atom are constantly excited?
Reading your comment in reply to mine, I understood what you wanted to ask.
This is where so many people are confused. Since we start middle school chemistry, we are taught about electron orbits which …
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Bond Angles - $\mathrm{H_2 O}$ vs $\mathrm{CO_2}$
$H_2O$ has more than just two bonds. The Oxygen atom in the centre also has two lone pairs of electrons. So you're distributing four electron pairs in free space.
On the other hand, Carbon in $CO_ …
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