원소의 공통적인성질 by jh Yoon https://padlet.com/jhyoon0221/md3siq8nnlusbqfm en-us 2025-05-07 01:11:03 UTC 2025-05-07 01:31:06 UTC hello@padlet.com 1족 알칼리금속 jhyoon0221 https://padlet.com/jhyoon0221/md3siq8nnlusbqfm/wish/3438906661 2025-05-07 01:12:30 UTC https://padlet.com/jhyoon0221/md3siq8nnlusbqfm/wish/3438906661 17족 할로젠 원소 jhyoon0221 https://padlet.com/jhyoon0221/md3siq8nnlusbqfm/wish/3438906995 2025-05-07 01:12:40 UTC https://padlet.com/jhyoon0221/md3siq8nnlusbqfm/wish/3438906995 주기율표 jhyoon0221 https://padlet.com/jhyoon0221/md3siq8nnlusbqfm/wish/3438920684 2025-05-07 01:19:27 UTC https://padlet.com/jhyoon0221/md3siq8nnlusbqfm/wish/3438920684