| r2 vs r3 | ||
|---|---|---|
| 1 | 1 | [목차] |
| 2 | [include(틀:원소 정보, bgcolor=white, color=black, name_ko=수소,name_ch=, name_en=, number=,1 symbol=, category=, state=, weight=, density=, melt=, boil=, fusion=, vapor=, valence=, ion=, negativity=, affinity=, found=, found_link=, found_link_alt=, found_year=, CAS=, prev=, prev_alt=, prev_symbol=, next=, next_alt=, next_symbol=, ref= )] | |
| 2 | [include(틀:원소 정보, bgcolor=white, color=black, name_ko=수소,name_ch=, name_en=, number=,1 symbol=, category=, state=기체, weight=, density=, melt=, boil=, fusion=, vapor=, valence=, ion=, negativity=, affinity=, found=, found_link=, found_link_alt=, found_year=, CAS=, prev=, prev_alt=, prev_symbol=, next=, next_alt=, next_symbol=He, ref= )] | |
| 3 | 3 | == 개요 == |
| 4 | 4 | 원소주기율표 에서 1주기와 1족에 위치한 원소다. 기호는 H이고, 원자번호는 1이다. |