'This smelly element, atomic number 16, can be spelled with an "F" or a "PH"'
sulfur/sulphur
THE ELEMENTS: This smelly element, atomic number 16, can be spelled with an F or a PH
This smelly element, atomic number 16, can be spelled with an "F" or a "PH"
This smelly element, atomic number 16, can be spelled with an "F" or a "PH"
THE ELEMENTS
sulfur/sulphur
THE ELEMENTS