i'll share my mnemonics on group elements:
IA - Halika na, Ruby Frances (H, Li, K, Na, Rb, Fr, Cs)
╰┈─➤ group 1a = si ruby frances yung only child na straight A na masunurin sa magulang
IB - Kaagaw (Cu, Ag, Au)
╰┈─➤ group 1b = you're the only "one bhie" pero may kaagaw