Subcategories:
— element with the power of one (1)
— element with the power of two (1)
— element with the power of three (1)
— element with the power of four (1)
— element with the power of five (1)
— element with the power of six (1)
— element with the power of seven (1)
— element with the power of eight (1)
— polyatomic element (1)