Answer:
he is a weelder because of him taking a peice of metal and recreateing it.
Explanation:
They are called Periods. Lesser known as series
Hydrogen-1, Carbon-13, Nitrogen-15, Fluorine-19, and Phosphorus-31 are the most useful. Out of these, Hydrogen-1 and Carbon-13 in NMR are the most useful nuclei because the these atoms are the most commonly present in organic molecules.
The paths in which electrons travel are called orbitals.
