Its elemental no need To be judgmental or accidental Use your mental methodically Periodically set an electron free Now I’m charged positively It’s me Mr. B-E-A-R-D So there are 90 elements That occur naturally There’s radioactive decay The rest are made artificially Mendeleev through the scientific method Had realized the heart of chemistry He knew undiscovered elements existed To fill the gaps like he had predicted Other scientists persisted To keep the table unrestricted