Rule 1: Always ship Hydrogen x Oxygen, Sodium x Chlorine, Silver x Gold, Aluminium x Scandium and Potassium x Iodine. Yes, seriously.
Rule 2: Bismuth is always a girl with rainbow coloured hair, no exceptions.
Rule 2.1: Bismuth is also always bi (or at the very least anything but hetroromantic hetrosexual), no exceptions.
Rule 3: Helium is always an extroverted girl holding (a) balloon(s) and with a high pitched voice, no exceptions.
Rule 4: Thallium is always a yandere for Potassium. They also love tea, no exceptions.
Rule 5: Alumin(i)um is always a female pilot with goggles.
Rule 6: Silicon is always a stereotypical nerd, no exceptions. 90% of the time, Germanium is too.
Rule 6.1: Silicon and Germanium are always either "twins" or have extremely similar looks (unless you are Starrkeeper, in which case it'