⚛️¹/⚛️²

#atom #element #mass number #nucleus #atomic structure #atomic notation

⚛️¹⁴

#isotope notation #atomic number #mass number #chemistry notation #scientific notation

¹²🪸/¹⁴🪸

#element symbol #atomic notation #mass number #specific isotope #nucleus #carbon-12 #carbon-14 #nuclear physics