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헬륨(r2 Blame)

r2
r2
1[include(틀:원소 정보, bgcolor=white, color=black, name_ko=헬륨,name_ch=, name_en=, number=2, symbol=He, category=, state=기체, weight=4, density=, melt=, boil=-268.928°C, fusion=, vapor=, valence=0, ion=, negativity=, affinity=, found=, found_link=, found_link_alt=, found_year=, CAS=, prev=, prev_alt=H, prev_symbol=, next=, next_alt=Li, next_symbol=, ref= )]
r1
2[[분류:화학 원소]]