On March 7, 2019, several NCCU PREM students hosted a group of students from the Early College High Schools for a flame test — multicolored flames due to fingerprint electron transitions from various metal ions (various energy quanta). 
On March 7, 2019, several NCCU PREM students hosted a group of students from the Early College High Schools for a flame test — multicolored flames due to fingerprint electron transitions from various metal ions (various energy quanta).