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Hydrogen

coder super answered on July 30, 2022 Popularity 10/10 Helpfulness 2/10

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Hydrogen

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*Data Integrated from PubChem*
Numbers in (brackets) represent uncertainty, from last digit
Atomic No.: 1
Period No.: 1
Group No.: 1
Element Name: Hydrogen	
Symbol: H
Block: N/A
Element Classification: Non-metal
Physical State: Gas
Electron Configuration: 1s1 [1]
Atomic Mass: 1.008 AMU (16)
Density: 0.00008988 g/cm^3
Oxidation States: +1, -1
Electronegativity (Pauling Scale): 2.2
Electronegativity (Allen Scale): 2.3
Atomic Radius(Van Der Waals): 120 pm
Atomic Radius(Covalent): 31 pm (5)
Atomic Radius (Empirical): 25 pm
Ionization Energy: 13.598 eV
Electron Affinity: 0.754 eV
Melting Point: 13.81 K
Boiling Point: 20.28 K
Year Discovered: 1766
Estimated Crustal Abundance: 1400 mg/kg [1.4*10^3]
Estimated Oceanic Abundance: 108000 mg/L [1.08*10^5]
Ground Level: 2S1/2

ISOTOPES
Numbers in (brackets) represent uncertainty. 
Section in half-life: Same unit
Others: From last digit
Mass No. | Name		   				| Half-life	 	 | Abundance	 | Atomic Mass		Uncertainty		| Year Discovered
1		 | Hydrogen-1, Protium  	| Stable		 | 0.99985(14)	 | 1.007825031898   0.000000000014	| 1920
2		 | Hydrogen-2, Deuterium	| Stable		 | 0.00014(13)	 | 2.014101777844	0.000000000015	| 1932
3		 | Hydrogen-3, Tritium		| 12.32 y (0.02) |				 | 3.0164928132		0.00000000008	| 1934
4		 | Hydrogen-4				| 139 ys (10)	 |				 | 4.026431867		0.000107354		| 1981
5		 | Hydrogen-5				| 86 ys (6)		 |				 | 5.035311492		0.00009602		| 1987
6		 | Hydrogen-6				| 294 ys (67)	 |				 | 6.044955437		0.000272816		| 1984
7		 | Hydrogen-7				| 652 ys (558)	 |				 | 7.052749			0.001078		| 2003

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Contributed on Aug 08 2022

coder super

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Hydrogen
Symbol: H
Atomic Mass: 1.008 AMU
Electron Configuration: 1s1
Electronegativity: 2.2
Atomic Radius (Van De Walls Radius): 120 picometers
Ionization Energy: 13.598 eV
Electron Affinity 0.754 eV
Oxidation States: +1, -1
Standard State:Gas
Melting Point: 13.81
Boiling Point: 20.28
Density: 0.00008988 g/cm3
Block: Nonmetal
Year of Discovery: 1766
Data from Pubchem

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Contributed on Jul 30 2022

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