Symbol: H
Group: 1
Period: 1
Block: s
Atomic number: 1 
Atomic mass: 1.008 u
Electron configuration: 1s1
Melting point: −259.2°C, −434.56°F, 13.95 K
Boiling point: −252.88°C, −423.184°F, 20.27 K
Density: 0.000082 g/cm³
रासायनिक चिन्ह: H
वर्ग: 1 
आवर्त: 1 
खण्ड: s 
परमाणु संख्या: 1 
परमाणु भार: 1.008 u 
इलेक्ट्रॉन विन्यास: 1s1 
गलनांक: −259.2°C, −434.56°F, 13.95 K 
क्वथनांक: −252.88°C, −423.184°F, 20.27 K 
घनत्व: 0.000082 g/cm³
Symbol: C
Group: 14
Period: 2
Block: p
Atomic number: 6
Atomic mass: 12.01 u
Electron configuration: [He] 2s22p2
Melting point: 3550°C, 6422°F, 3823.15 K
Boiling point: 4827°C, 8720.6°F, 5100.15 K
Density: 3.52 (diamond) g/cm³,
2.2 (graphite) g/cm³
Van der Waals radius: 170 pm
रासायनिक चिन्ह: C
वर्ग:  14
आवर्त: 2
खण्ड: p
परमाणु संख्या: 6 
परमाणु भार: 12.01 u
इलेक्ट्रॉन विन्यास: [He] 2s22p2
गलनांक: 3550°C, 6422°F, 3823.15 K
क्वथनांक: 4827°C, 8720.6°F, 5100.15 K
घनत्व: 3.52 (diamond) g/cm³
2.2 (graphite) g/cm³
वैन डेर वाल्स त्रिज्या: 170 pm
Symbol: N
Group: 15
Period: 2 
Block: p
Atomic number: 7 
Atomic mass: 14.007 u
Electron configuration: [He] 2s22p3
Melting point: −210.0°C, −346.0°F, 63.2 K
Boiling point: −195.8°C, −320.44°F, 77.35 K
Electronegativity: 3.04
रासायनिक चिन्ह: N
वर्ग:  15
आवर्त: 2 
खण्ड: p
परमाणु संख्या: 7 
परमाणु भार: 14.007 u
इलेक्ट्रॉन विन्यास: [He] 2s22p3
गलनांक: −210.0°C, −346.0°F, 63.2 K
क्वथनांक: −195.8°C, −320.44°F, 77.35 K 
वैद्युतीयऋणात्मकता: 3.04
Symbol: P
Group: 15 
Period: 3 
Block: p 
Atomic number: 15
Atomic mass: 30.974 u
Electron configuration: [Ne] 3s²3p³
Melting point: 44.15°C, 111.47°F, 317.3 K
Boiling point: 280.5°C, 536.9°F, 553.7 K
Density: 1.82 (white) g/cm³
Electronegativity: 2.19
रासायनिक चिन्ह: P
वर्ग:  15 
आवर्त: 3 
खण्ड: p 
परमाणु संख्या: 15
परमाणु भार: 30.974 u
इलेक्ट्रॉन विन्यास: [Ne] 3s²3p³
गलनांक: 44.15°C, 111.47°F, 317.3 K
क्वथनांक: 280.5°C, 536.9°F, 553.7 K 
घनत्व: 1.82 (white) g/cm³
वैद्युतीयऋणात्मकता: 2.19
Symbol: O
Group: 16
Period: 2
Block: p 
Atomic number: 8 
Atomic mass: 15.999 u
Electron configuration: [He] 2s²2p⁴ 
Melting point: −218.79°C, −361.82°F, 54.36 K
Boiling point: −182.96°C, −297.328°F, 90.19 K
Electronegativity: 3.44
रासायनिक चिन्ह: O
वर्ग:  16
आवर्त: 2
खण्ड: p 
परमाणु संख्या: 8 
परमाणु भार: 15.999 u 
इलेक्ट्रॉन विन्यास: [He] 2s²2p⁴ 
गलनांक: −218.79°C, −361.82°F, 54.36 K
क्वथनांक: −182.96°C, −297.328°F, 90.19 K 
वैद्युतीयऋणात्मकता: 3.44
Symbol: S
Group: 16
Period: 3 
Block: p 
Atomic number: 16 
Atomic mass: 32.065 u
Electron configuration: [Ne] 3s²3p
Melting point: 112.8°C, 235.04°F, 385.95 K
Boiling point: 444.6°C, 832.28°F, 717.75 K
Density: 2.07 g/cm³
Electronegativity: 2.58
सल्फर (गन्धक)
रासायनिक चिन्ह: S
वर्ग:  16
आवर्त: 3 
खण्ड: p 
परमाणु संख्या: 16 
परमाणु भार: 32.065 u 
इलेक्ट्रॉन विन्यास: [Ne] 3s²3p 
गलनांक: 112.8°C, 235.04°F, 385.95 K 
क्वथनांक: 444.6°C, 832.28°F, 717.75 K 
घनत्व: 2.07 g/cm³
वैद्युतीयऋणात्मकता: 2.58
Symbol: Se
Group: 16
Period: 4
Block: p 
Atomic number: 34 
Atomic mass: 78.96 u 
Electron configuration: [Ar] 3d104s24p4
Van der Waals radius: 190 pm
Melting point: 221°C, 429.8°F, 494.15 K
Boiling point: 685°C, 1265°F, 958 K
Density: 4.81 g/cm³
Electronegativity: 2.55
रासायनिक चिन्ह: Se
वर्ग:  16
आवर्त: 4
खण्ड: p 
परमाणु संख्या: 34 
परमाणु भार: 78.96 u 
इलेक्ट्रॉन विन्यास: [Ar] 3d104s24p4 
वैन डेर वाल्स त्रिज्या: 190 pm
गलनांक: 221°C, 429.8°F, 494.15 K 
क्वथनांक: 685°C, 1265°F, 958 K 
घनत्व: 4.81 g/cm³
वैद्युतीयऋणात्मकता: 2.55

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