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Helium
Symbol: He
Atomic mass: 4.002602 u
Atomic number: 2
Electron configuration: 1s2
Boiling point: −268.928°C, −452.07°F, 4.222 K
Melting point: -272.2 °C, -457.96°F, 0.95 K
Density: 0.000164 g/cm3
हिलियम
रासायनिक चिन्ह: He
परमाणु भार: 4.002602 u
परमाणु संख्या: 2
इलेक्ट्रॉन विन्यास: 1s2
क्वथनांक: −268.928°C, −452.07°F, 4.222 K
गलनांक: -272.2 °C, -457.96°F, 0.95 K
घनत्व: 0.000164 g/cm3
Neon
Symbol: Ne
Electron configuration: [He] 2s²2p
Atomic mass: 20.1797 u
Atomic number: 10
Van der Waals radius: 154 pm
Melting point: −248.59°C, −415.46°F, 24.56 K
Boiling point: −246.046°C, −410.883°F, 27.104 K
Density: 0.000825 g/cm3
निऑन
रासायनिक चिन्ह: Ne
इलेक्ट्रॉन विन्यास: [He] 2s²2p
परमाणु भार: 20.1797 u
परमाणु संख्या: 10
वैन डेर वाल्स त्रिज्या: 154 pm
गलनांक: −248.59°C, −415.46°F, 24.56 K
क्वथनांक: −246.046°C, −410.883°F, 27.104 K
घनत्व: 0.000825 g/cm3
Argon
Symbol: Ar
Atomic mass: 39.948 u
Atomic number: 18
Electron configuration: [Ne] 3s²3p
Melting point: −189.34°C, −308.81°F, 83.81 K
Boiling point: −185.848°C, −302.526°F, 87.302 K
Density: 0.001633 g/cm3
आर्गन
रासायनिक चिन्ह: Ar
परमाणु भार: 39.948 u
परमाणु संख्या: 18
इलेक्ट्रॉन विन्यास: [Ne] 3s²3p
गलनांक: −189.34°C, −308.81°F, 83.81 K
क्वथनांक: −185.848°C, −302.526°F, 87.302 K
घनत्व: 0.001633 g/cm3
Krypton
Symbol: Kr
Electron configuration: [Ar] 3d¹⁰4s²4p
Atomic number: 36
Atomic mass: 83.798 u
Melting point: −157.37°C, −251.27°F, 115.78 K
Boiling point: −153.415°C, −244.147°F, 119.735 K
Density: 0.003425 g/cm3
क्रिप्टॉन
रासायनिक चिन्ह: Kr
इलेक्ट्रॉन विन्यास: [Ar] 3d¹⁰4s²4p
परमाणु संख्या: 36
परमाणु भार: 83.798 u
गलनांक: −157.37°C, −251.27°F, 115.78 K
क्वथनांक: −153.415°C, −244.147°F, 119.735 K
घनत्व: 0.003425 g/cm3
Xenon
Symbol: Xe
Atomic number: 54
Electron configuration: [Kr] 4d¹⁰5s²5p
Atomic mass: 131.293 u
Melting point: −111.75°C, −169.15°F, 161.4 K
Boiling point: −108.099°C, −162.578°F, 165.051 K
Density: 0.005366 g/cm3
ज़ेनान
रासायनिक चिन्ह: Xe
परमाणु संख्या: 54
इलेक्ट्रॉन विन्यास: [Kr] 4d¹⁰5s²5p
परमाणु भार: 131.293 u
गलनांक: −111.75°C, −169.15°F, 161.4 K
क्वथनांक: −108.099°C, −162.578°F, 165.051 K
घनत्व: 0.005366 g/cm3
Radon
Symbol: Rn
Atomic number: 86
Atomic mass: 222 u
Electron configuration: [Xe] 4f145d106s26p6
Van der Waals radius: 200 pm
Melting point: −71°C, −96°F, 202 K
Boiling point: −61.7°C, −79.1°F, 211.5 K
Density: 0.009074 g/cm3
रेडॉन
रासायनिक चिन्ह: Rn
परमाणु संख्या: 86
परमाणु भार: 222 u
इलेक्ट्रॉन विन्यास: [Xe] 4f145d106s26p6
वैन डेर वाल्स त्रिज्या: 200 pm
गलनांक: −71°C, −96°F, 202 K
क्वथनांक: −61.7°C, −79.1°F, 211.5 K
घनत्व: 0.009074 g/cm3
Oganesson
Symbol: Og
Atomic number: 118
Atomic mass: 294 u
Electron configuration: [Rn] 5f146d107s27p6
ओगनेसन
रासायनिक चिन्ह: Og
परमाणु संख्या: 118
परमाणु भार: 294 u
इलेक्ट्रॉन विन्यास: [Rn] 5f146d107s27p6

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