What is the process of slow cooling of hot glass called?
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The maximum number of electrons that can be accommodated in M shell is
The maximum number of electrons that can be accommodated in a shell is indicated by the formula
Researchers at the University of Illinois have discovered new form of matter called Excitonium which was coined by ______ in the 1960’
The gas evolved when sodium carbonate reacts with hydrochloric acid is
The number of neutrons present in a nitrogen atom is ___.
Sphalerite is an ore/mineral of
What is the atomicity of Phosphorous?