What is an atom
What is an electronic configuration
Definite atomic mass unit
Define anion and cation
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atom = tiny particle .
electronic configuration is is representation of shell no and how many no of electrons present in shel.
amu =mass of carbon -12 atom .
anion =negative charge
cation = positive charge
electronic configuration is is representation of shell no and how many no of electrons present in shel.
amu =mass of carbon -12 atom .
anion =negative charge
cation = positive charge
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