문서 편집 권한이 없습니다. 다음 이유를 확인해주세요: 요청한 명령은 다음 중 하나의 권한을 가진 사용자에게 제한됩니다: 사용자, 관리자. 문서를 고치려면 이메일 인증 절차가 필요합니다. 사용자 환경 설정에서 이메일 주소를 입력하고 이메일 주소 인증을 해주시기 바랍니다. 문서의 원본을 보거나 복사할 수 있습니다. {{주기율표}} {| class="wikitable" style="width: 100%" | width="28%" style="background: #f7f7f7; color: #000" align=middle | [[수소|{{색|#000|수소}}]] [[수소|{{색|#000|(H)}}]] | style="background: #f7f7f7; color: #000" align=middle | → | width="28%" style="background: #ddddff; color: #000" align=middle | [[헬륨]] [[헬륨|(He)]] | style="background: #f7f7f7; color: #000" align=middle | → | width="28%" style="background: #f7f7f7; color: #000" align=middle | [[리튬|{{색|#000|리튬}}]] [[리튬|{{색|#000|(Li)}}]] |} {| class="wikitable" style="float: right; width: 100%; max-width: 500px; border: 1.5px solid #e0e0e0" | colspan="4" style="background: #bfffff; color: #000" align=middle | |- | colspan="4" style="background: #f7f7f7; color: #000" align=middle | <div style="margin-top: 8px"><span style="font-size: 10pt">'''2'''</span> <span style="font-size: 30pt">'''He'''</span></div> |- | colspan="4" style="background: #f7f7f7; color: #000" align=middle | '''헬륨'''<br>'''Helium / Tralphium*''' |- | colspan="4" style="background: #f7f7f7; color: #000" align=middle | <div style="margin: -5px -9px">[[파일:헬륨 이미지.jpg]]</div> |- | colspan="4" style="background: #ccccfe; color: #8688f0" align=middle | <div style="font-size: 10pt">'''개요'''</div> |- | rowspan="2" width="30%" style="background: #efeefe; color: #8688f0" align=middle | '''명칭''' | style="background: #fff; color: #000" align=left | 헬륨 <small>(한국어)</small> |- | style="background: #fff; color: #000" align=left | Helium <small>(영어/라틴어)</small> |- | style="background: #efeefe; color: #8688f0" align=middle | '''표준 원자량'''<br><small>(A<small>r, standard</small>)</small> | style="background: #fff; color: #000" align=left | 4.002 602(2) |- | colspan="4" style="background: #ccccfe; color: #8688f0" align=middle | <div style="font-size: 10pt">'''주기율표 정보'''</div> |- | colspan="4" style="background: #f7f7f7; color: #000" align=middle | <div class="mw-customtoggle-jugihe" style="margin-left:auto; margin-right:auto; padding:6px -1px 11px; padding-left:7px; width:100%; text-align:center; background-color: transparent; color: #000;"><div style="margin: -3px 0px; font-size: 9pt">'''주기율표 [ 펼치기 · 접기 ]'''</div></div> <div class="mw-collapsible mw-collapsed" id="mw-customcollapsible-jugihe" style="background:none; border: 1px solid transparent;width:100%; text-align:center;"> <div class="toccolours mw-collapsible-content" style="background:none; margin: 0px -15px 0px; border: 1px solid transparent;text-align:center; "> {| style="margin-left:-2px; margin-right:-15px;margin-bottom:-13px;width: calc(100% + 5px);text-align:center;margin-top: 1px; background: #fff; font-size: 6pt" |- | width="5.5%" style="background: #e7ff8f" | <div style="margin: -3px -9px">[[수소|{{색|#b00000|H}}]]</div> | colspan="16" style="background: #fff; border-width: 1px 1px 0px 1px" | | width="5.5%" style="background: #bfffff; border-width: 1.2px 1.2px 1.2px 1.2px; border-color: #000" | <div style="margin: -3px -9px">[[헬륨|{{색|#b00000|He}}]]</div> |- | width="5.5%" style="background: #ff6766" | <div style="margin: -3px -9px">[[리튬|{{색|#000|Li}}]]</div> | width="5.5%" style="background: #fedead" | <div style="margin: -3px -9px">[[베릴륨|{{색|#000|Be}}]]</div> | colspan="10" style="background: #fff; border-width: 0px 1px 0px 1px" | | width="5.5%" style="background: #cccc98" | <div style="margin: -3px -9px">[[붕소|{{색|#000|B}}]]</div> | width="5.5%" style="background: #e7ff8f" | <div style="margin: -3px -9px">[[탄소|{{색|#000|C}}]]</div> | width="5.5%" style="background: #e7ff8f" | <div style="margin: -3px -9px">[[질소|{{색|#b00000|N}}]]</div> | width="5.5%" style="background: #e7ff8f" | <div style="margin: -3px -9px">[[산소|{{색|#b00000|O}}]]</div> | width="5.5%" style="background: #e7ff8f" | <div style="margin: -3px -9px">[[플루오린|{{색|#b00000|F}}]]</div> | width="5.5%" style="background: #bfffff" | <div style="margin: -3px -9px">[[네온|{{색|#b00000|Ne}}]]</div> |- | width="5.5%" style="background: #ff6766" | <div style="margin: -3px -9px">[[나트륨|{{색|#000|Na}}]]</div> | width="5.5%" style="background: #fedead" | <div style="margin: -3px -9px">[[마그네슘|{{색|#000|Mg}}]]</div> | colspan="10" style="background: #fff; border-width: 0px 1px 0px 1px" | | width="5.5%" style="background: #cccccc" | <div style="margin: -3px -9px">[[알루미늄|{{색|#000|Al}}]]</div> | width="5.5%" style="background: #cccc98" | <div style="margin: -3px -9px">[[규소|{{색|#000|Si}}]]</div> | width="5.5%" style="background: #e7ff8f" | <div style="margin: -3px -9px">[[인|{{색|#000|P}}]]</div> | width="5.5%" style="background: #e7ff8f" | <div style="margin: -3px -9px">[[황|{{색|#000|S}}]]</div> | width="5.5%" style="background: #e7ff8f" | <div style="margin: -3px -9px">[[염소|{{색|#b00000|Cl}}]]</div> | width="5.5%" style="background: #bfffff" | <div style="margin: -3px -9px">[[아르곤|{{색|#b00000|Ar}}]]</div> |- | width="5.5%" style="background: #ff6766" | <div style="margin: -3px -9px">[[칼륨|{{색|#000|K}}]]</div> | width="5.5%" style="background: #fedead" | <div style="margin: -3px -9px">[[칼슘|{{색|#000|Ca}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[스칸듐|{{색|#000|Sc}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[타이타늄|{{색|#000|Ti}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[바나듐|{{색|#000|V}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[크로뮴|{{색|#000|Cr}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[망가니즈|{{색|#000|Mn}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[철|{{색|#000|Fe}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[코발트|{{색|#000|Co}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[니켈|{{색|#000|Ni}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[구리|{{색|#000|Cu}}]]</div> | width="5.5%" style="background: #cccccc" | <div style="margin: -3px -9px">[[아연|{{색|#000|Zn}}]]</div> | width="5.5%" style="background: #cccccc" | <div style="margin: -3px -9px">[[갈륨|{{색|#000|Ga}}]]</div> | width="5.5%" style="background: #cccc98" | <div style="margin: -3px -9px">[[저마늄|{{색|#000|Ge}}]]</div> | width="5.5%" style="background: #cccc98" | <div style="margin: -3px -9px">[[비소|{{색|#000|As}}]]</div> | width="5.5%" style="background: #e7ff8f" | <div style="margin: -3px -9px">[[셀레늄|{{색|#000|Se}}]]</div> | width="5.5%" style="background: #e7ff8f" | <div style="margin: -3px -9px">[[브로민|{{색|#0759e8|Br}}]]</div> | width="5.5%" style="background: #bfffff" | <div style="margin: -3px -9px">[[크립톤|{{색|#b00000|Kr}}]]</div> |- | width="5.5%" style="background: #ff6766" | <div style="margin: -3px -9px">[[루비듐|{{색|#000|Rb}}]]</div> | width="5.5%" style="background: #fedead" | <div style="margin: -3px -9px">[[스트론튬|{{색|#000|Sr}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[이트륨|{{색|#000|Y}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[지르코늄|{{색|#000|Zr}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[나이오븀|{{색|#000|Nb}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[몰리브데넘|{{색|#000|Mo}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[테크네튬|{{색|#000|Tc}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[루테늄|{{색|#000|Ru}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[로듐|{{색|#000|Rh}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[팔라듐|{{색|#000|Pd}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px 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style="background: #ffbefe" | <div style="margin: -3px -9px">[[란타넘족|{{색|#000|Lu}}]]*</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[하프늄|{{색|#000|Hf}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[탄탈럼|{{색|#000|Ta}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[텅스텐|{{색|#000|W}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[레늄|{{색|#000|Re}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[오스뮴|{{색|#000|Os}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[이리듐|{{색|#000|Ir}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[백금|{{색|#000|Pt}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[금|{{색|#000|Au}}]]</div> | width="5.5%" style="background: #cccccc" | <div style="margin: -3px 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style="background: #fec1c0" | <div style="margin: -3px -9px">[[러더포듐|{{색|#000|Rf}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[더브늄|{{색|#000|Db}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[시보귬|{{색|#000|Sg}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[보륨|{{색|#000|Bh}}]]</div> | width="5.5%" style="background: #fec1c0" | <div style="margin: -3px -9px">[[하륨|{{색|#000|Hs}}]]</div> | width="5.5%" style="background: #e0e0e0" | <div style="margin: -3px -9px">[[마이트너륨|{{색|#000|Mt}}]]</div> | width="5.5%" style="background: #e0e0e0" | <div style="margin: -3px -9px">[[다름슈타튬|{{색|#000|Ds}}]]</div> | width="5.5%" style="background: #e0e0e0" | <div style="margin: -3px -9px">[[뢴트게늄|{{색|#000|Rg}}]]</div> | width="5.5%" style="background: #cccccc" | <div style="margin: -3px -9px">[[코페르니슘|{{색|#0759e8|Cn}}]]</div> | width="5.5%" style="background: #e0e0e0" | <div style="margin: -3px 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#ffbefe" | <div style="margin: -3px -9px">[[홀뮴|{{색|#000|Ho}}]]</div> | style="background: #ffbefe" | <div style="margin: -3px -9px">[[어븀|{{색|#000|Er}}]]</div> | style="background: #ffbefe" | <div style="margin: -3px -9px">[[툴륨|{{색|#000|Tm}}]]</div> | style="background: #ffbefe" | <div style="margin: -3px -9px">[[이터븀|{{색|#000|Yb}}]]</div> | style="background: #ffbefe" | <div style="margin: -3px -9px">[[루테튬|{{색|#000|Lu}}]]</div> |- | colspan="2" style="background: #fff; border-width: 0px 0px 1px 1px" | | style="background: #ff99cb" | <div style="margin: -3px -9px">[[악티늄족|{{색|#000|An}}]]*</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[악티늄|{{색|#000|Ac}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[토륨|{{색|#000|Th}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[프로트악티늄|{{색|#000|Pa}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[우라늄|{{색|#000|U}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[넵투늄|{{색|#000|Np}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[플루토늄|{{색|#000|Pu}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[아메리슘|{{색|#000|Am}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[퀴륨|{{색|#000|Cm}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[버클륨|{{색|#000|Bk}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[캘리포늄|{{색|#000|Cf}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[아인슈타이늄|{{색|#000|Es}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[페르뮴|{{색|#000|Fm}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[멘델레븀|{{색|#000|Md}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[노벨륨|{{색|#000|No}}]]</div> | style="background: #ff99cb" | <div style="margin: -3px -9px">[[로렌슘|{{색|#000|Lr}}]]</div> |} |- | style="background: #efeefe; color: #8688f0" align=middle | '''원자 번호''' | style="background: #fff; color: #000" align=left | 2 |- | style="background: #efeefe; color: #8688f0" align=middle | '''족''' | style="background: #fff; color: #000" align=left | 18족 |- | style="background: #efeefe; color: #8688f0" align=middle | '''주기''' | style="background: #fff; color: #000" align=left | 1주기 |- | style="background: #efeefe; color: #8688f0" align=middle | '''구역''' | style="background: #fff; color: #000" align=left | p-구역 |- | style="background: #efeefe; color: #8688f0" align=middle | '''화학 계열''' | style="background: #fff; color: #000" align=left | 비활성 기체 |- | style="background: #efeefe; color: #8688f0" align=middle | '''전자 배열''' | style="background: #fff; color: #000" align=left | 1s² |- | style="background: #efeefe; color: #8688f0" align=middle | '''준위별 전자 수''' | style="background: #fff; color: #000" align=left | 2 |- | colspan="2" style="background: #f7f7f7; color: #000" align=middle | [[파일:헬륨.png|100px]] |- | colspan="4" style="background: #ccccfe; color: #8688f0" align=middle | <div style="font-size: 10pt">'''성질'''</div> |- | style="background: #efeefe; color: #8688f0" align=middle | '''상태''' | style="background: #fff; color: #000" align=left | 기체 |- | style="background: #efeefe; color: #8688f0" align=middle | '''밀도''' | style="background: #fff; color: #000" align=left | 0.1786g/L |- | style="background: #efeefe; color: #8688f0" align=middle | '''녹는점''' | style="background: #fff; color: #000" align=left | 0.95K / -272.20°C |- | style="background: #efeefe; color: #8688f0" align=middle | '''끓는점''' | style="background: #fff; color: #000" align=left | 4.222K / -268.928°C |- | style="background: #efeefe; color: #8688f0" align=middle | '''삼중점''' | style="background: #fff; color: #000" align=left | 2.177K, 5.043kPa |- | style="background: #efeefe; color: #8688f0" align=middle | '''융해열'''<br><small>(용융열)</small> | style="background: #fff; color: #000" align=left | 0.0138kJ/mol |- | style="background: #efeefe; color: #8688f0" align=middle | '''기화열'''<br><small>(증발열)</small> | style="background: #fff; color: #000" align=left | 0.0829kJ/mol |- | style="background: #efeefe; color: #8688f0" align=middle | '''열용량''' | style="background: #fff; color: #000" align=left | 20.78J/(mol·K) |- | style="background: #efeefe; color: #8688f0" align=middle | '''이온화 에너지''' | style="background: #fff; color: #000" align=left | 2372.3 / 5250.5kJ/mol |- | style="background: #efeefe; color: #8688f0" align=middle | '''전자 친화도''' | style="background: #fff; color: #000" align=left | 0kJ/mol |- | style="background: #efeefe; color: #8688f0" align=middle | '''증기압''' | style="background: #fff; color: #000" align=left | {| class="wikitable" style="border: transparent; width: 100%; font-size: 8pt" | width="25%" style="background: #bbbcff; color: #000; border: transparent" align=middle | '''압력''' | style="background: #ddddff; color: #000; border: transparent" align=middle | '''1''' | style="background: #ddddff; color: #000; border: transparent" align=middle | '''10''' | style="background: #ddddff; color: #000; border: transparent" align=middle | '''100''' | style="background: #ddddff; color: #000; border: transparent" align=middle | '''1k''' | style="background: #ddddff; color: #000; border: transparent" align=middle | '''10k''' | style="background: #ddddff; color: #000; border: transparent" align=middle | '''100k''' |- | style="background: #bbbcff; color: #000; border: transparent" align=middle | '''온도''' | style="background: #ddddff; color: #000; border: transparent" align=middle | | style="background: #ddddff; color: #000; border: transparent" align=middle | | style="background: #ddddff; color: #000; border: transparent" align=middle | '''1.23''' | style="background: #ddddff; color: #000; border: transparent" align=middle | '''1.67''' | style="background: #ddddff; color: #000; border: transparent" align=middle | '''2.48''' | style="background: #ddddff; color: #000; border: transparent" align=middle | '''4.21''' |- |} |- | style="background: #efeefe; color: #8688f0" align=middle | '''산화수''' | style="background: #fff; color: #000" align=left | 0 |- | style="background: #efeefe; color: #8688f0" align=middle | '''전기 음성도'''<br><small>(폴링 척도)</small> | style="background: #fff; color: #000" align=left | 자료 없음 |- | style="background: #efeefe; color: #8688f0" align=middle | '''공유 반지름''' | style="background: #fff; color: #000" align=left | 28pm |- | style="background: #efeefe; color: #8688f0" align=middle | '''판데르발스 반지름''' | style="background: #fff; color: #000" align=left | 140pm |- | style="background: #efeefe; color: #8688f0" align=middle | '''스펙트럼''' | style="background: #fff; color: #000" align=left | <div style="margin: 10px 5px">[[파일:헬륨 스펙트럼.png|250px]]</div> |- | style="background: #efeefe; color: #8688f0" align=middle | '''결정구조''' | style="background: #fff; color: #000" align=left | 조밀육방격자<br>[[파일:조밀육방격자.png|80px]] |- | style="background: #efeefe; color: #8688f0" align=middle | '''음속''' | style="background: #fff; color: #000" align=left | 972m/s |- | style="background: #efeefe; color: #8688f0" align=middle | '''열전도율''' | style="background: #fff; color: #000" align=left | 0.1513W/(m·K) |- | style="background: #efeefe; color: #8688f0" align=middle | '''자기 정렬''' | style="background: #fff; color: #000" align=left | 반자성 |- | style="background: #efeefe; color: #8688f0" align=middle | '''자기화율''' | style="background: #fff; color: #000" align=left | −1.88·10<sup>-6</sup>cm³/mol(298 K) |- | style="background: #efeefe; color: #8688f0" align=middle | '''CAS 번호''' | style="background: #fff; color: #000" align=left | 7440-59-7 |- | colspan="4" style="background: #ccccfe; color: #8688f0" align=middle | <div style="font-size: 10pt">'''역사'''</div> |- | style="background: #efeefe; color: #8688f0" align=middle | '''발견''' | style="background: #fff; color: #000" align=left | 피에르 장센, 노만 록키어 |- | style="background: #efeefe; color: #8688f0" align=middle | '''최초 분리''' | style="background: #fff; color: #000" align=left | 윌리엄 램지, 페르 테오도르 클레브, 아브라함 랑글레 |- | colspan="2" style="background: #fff; color: #000" align=middle | {| class="wikitable" style="border: transparent; width: 100%; font-size: 10pt" | width="16%" style="background: #bbbcff; color: #000; border: transparent" align=middle | '''동위체''' | width="17%" style="background: #bbbcff; color: #000; border: transparent" align=middle | '''존재비''' | width="17%" style="background: #bbbcff; color: #000; border: transparent" align=middle | '''반감기''' | width="17%" style="background: #bbbcff; color: #000; border: transparent" align=middle | '''DM''' | width="16%" style="background: #bbbcff; color: #000; border: transparent" align=middle | '''DE''' | width="16%" style="background: #bbbcff; color: #000; border: transparent" align=middle | '''DP''' |- | style="background: #ddddff; color: #000; border: transparent" align=middle | '''³He''' | style="background: #ddddff; color: #000; border: transparent" align=middle | 0.000137% | colspan="4" style="background: #ddddff; color: #000; border: transparent" align=middle | 안정 |- | style="background: #ddddff; color: #000; border: transparent" align=middle | '''⁴He''' | style="background: #ddddff; color: #000; border: transparent" align=middle | 99.999863% | colspan="4" style="background: #ddddff; color: #000; border: transparent" align=middle | 안정 |} |- | colspan="4" style="background: #bfffff; color: #000" align=middle | |} == 개요 == '''헬륨'''은 비활성 기체의 첫 번째 원소로, 원자 번호 2번, 1주기 18족에 속한다. == 기타 == {{실용}} 이 문서에서 사용한 틀: 틀:Fs (원본 보기) 틀:글씨 크기 (원본 보기) 틀:색 (원본 보기) 틀:실용 (원본 보기) 틀:안내문 (원본 보기) 틀:주기율표 (원본 보기) 헬륨 문서로 돌아갑니다.