Examlex
In general,when converting a non-first normal form table to first normal form,the primary key will usually include the original primary key concatenated with the key to the repeating group.
Element
A substance that cannot be changed to a simpler substance by a normal chemical reaction.
Neutrons
Subatomic particles without an electric charge, found in the nucleus of an atom, contributing to the atom's mass.
Electrons
subatomic particles with a negative charge, found in all atoms and acting as the primary carrier of electricity in solids.
Valence Shells
The outermost electron shell of an atom that determines its bonding behavior with other atoms.
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