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what does partially evacuated tube mean?what is its use?if the tube is partially evacuated then what is left inside it?please explain it in simple words and in detail
difference between frequency and wavelength
what is the wave theory of light ?
What is the orbital angular momentum of an electron in f orbital ?
max no of electron in subshell with l = 3 and n = 4
how do atoms emit electromagnetic radiation?what is that electromagnetic radiaton?how do atoms absorb electromagnnetic radiation??
what is the maxwell theory of electromagnetic radiation
what is ionisation?what are ions?how does ionisation take place?plz explain in simple words
can anyone show us in diagram where exactly are subshell.Books mention shell is divided into subshells as s p d f how horizontaly vertically or at circle ?
why the elecronic confrigration of Cu Cr is different (not in trend)
what is fluoroscence and phospherence???
do we have any photos of atoms
Why do we sift electrons for 4s to 3d in some elements like the elements 24 and 29?
WHAT ARE ISOTONES? EXPLAIN WITH EXAMPLES.
Why do we sift electrons from 4s to 3d in some elements like elements 24 and 29?
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