Loading ad... Cúc ThuMember for 2 years 7 months Age: 15-17 Level: 11 Language: English (en) ID: 1715928 07/12/2021 Country code: VN Country: Vietnam School subject: Chemistry (1061818) Main content: Phi kim (1646477) PHi kim lớp 9 Other contents: phiếu 1 Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...