노정현Member for 3 ปี 9 เดือน Age: 14-15 Level: 중2 Language: Korean (ko) ไอดี: 811971 14/03/2021 Country code: KR Country: South Korea School subject: 과학 (1061582) Main content: 물질의 구성 (2002137) From worksheet author: 분자모형으로 분자식 만들어보기 Other contents: 분자모형 Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...