There’s hydrogen and helium and lithium, beryllium
And boron, carbon, nitrogen, and oxygen, and fluorine, neon,
Sodium, magnesium, aluminum and silicon
And phosphorus, and sulfur, chlorine, argon and potassium
And calcium and scandium, titanium, vanadium
And chromium, and manganese, and iron, cobalt, nickel, copper,
Zinc and then there’s gallium, germanium, and arsenic
Selenium, and bromine, and then krypton and rubidium

(And strontium and yttrium, zirconium, niobium
Molybdenum, technetium, ruthenium and rhodium
Palladium and silver, cadmium and indium and tin and antimony…

There’s tellurium and iodine and xenon and then cesium
And barium and lanthanum and cerium and then
Praseodymium and neodymium and then promethium
Samarium, europium and good ol’ gadolinium

There’s terbium, dysprosium and holmium and erbium
And thulium, ytterbium, lutetium and hafnium
And tantalum and tungsten and then rhenium and osmium
Iridium and platinum, gold, mercury and thallium
There’s lead and also bismuth and polonium and astatine
And radon and then francium and radium, actinium
And thorium and protactinium and then uranium
Neptunium, plutonium, and also americium

(And curium and berkelium and also californium
Einsteinium, and fermium and also mendelevium
Nobelium, lawrencium and also rutherfordi- fordium)

There’s dubnium, seaborgium and bohrium and hassium
Meitnerium, darmstadtium, roentgenium, copernic’um
Nihonium, flerovium, and don’t forget moscovium
And livermorium and tennessine and oganésson

These are the only elements that we can lay our hands on…
Someday there may be more and we can put another stanza on.