Periodic Table Element Comparison: Compare Elements - Hydrogen vs Phosphorus

Compare Hydrogen and Phosphorus on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Hydrogen vs Phosphorus with most reliable information about their properties, attributes, facts, uses etc. You can compare H vs P on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more. Hydrogen and Phosphorus comparison table on more than 90 properties.

Name	Hydrogen	Phosphorus
Atomic Number	1	15
Atomic Symbol	H	P
Atomic Weight	1.00794	30.973761
Phase at STP	Gas	Solid
Color	Colorless	Colorless
Metallic Classification	Other Nonmetal	Other Nonmetal
Group in Periodic Table	group 1	group 15
Group Name	lithium family	nitrogen family
Period in Periodic Table	period 1	period 3
Block in Periodic Table	s -block	p -block
Electronic Configuration	1s1	[Ne] 3s2 3p3
Electronic Shell Structure (Electrons per shell)	1	2, 8, 5
Melting Point	14.01 K	317.3 K
Boiling Point	20.28 K	553.6 K
CAS Number	CAS1333-74-0	CAS7723-14-0
Neighborhood Elements	Neighborhood Elements of Hydrogen	Neighborhood Elements of Phosphorus

Parameter	Hydrogen	Phosphorus
History	The element Hydrogen was discovered by H. Cavendish in year 1766 in United Kingdom. Hydrogen derived its name from the Greek elements hydro- and -gen meaning 'water-forming'.	The element Phosphorus was discovered by H. Brand in year 1669 in Germany. Phosphorus derived its name from the Greek word phoosphoros, 'carrying light'.
Discovery	H. Cavendish (1766)	H. Brand (1669)
Isolated	Paracelsus (1500)	H. Brand (1669)

Property	Hydrogen	Phosphorus
Abundance in Universe	750000000 / 930000000	7000 / 300
Abundance in Sun	750000000 / 930000000	7000 / 300
Abundance in Meteorites	24000000 / 170000000	1100000 / 700000
Abundance in Earth's Crust	1500000 / 31000000	1000000 / 700000
Abundance in Oceans	107800000 / 662000000	70 / 14
Abundance in Humans	100000000 / 620000000	11000000 / 2200000

Property	Hydrogen	Phosphorus
Atomic Volume	22.4135 cm3/mol	16.991 cm3/mol
Atomic Radius	53 pm	98 pm
Covalent Radius	37 pm	106 pm
Van der Waals Radius	120 pm	180 pm
Atomic Spectrum - Spectral Lines
Emission Spectrum		Not available
Absorption Spectrum
Lattice Constant	470, 470, 340 pm	1145, 550.3, 1126.1 pm
Lattice Angle	π/2, π/2, 2 π/3	1.25384, 1.57725, 1.24896
Space Group Name	P63/mmc	P-1
Space Group Number	194	2
Crystal Structure	Simple Hexagonal	Simple Triclinic

Property	Hydrogen	Phosphorus
Atomic Number	1	15
Number of Electrons (with no charge)	1	15
Number of Protons	1	15
Mass Number	1.00794	30.973761
Number of Neutrons	0	16
Shell structure (Electrons per energy level)	1	2, 8, 5
Electron Configuration	1s1	[Ne] 3s2 3p3
Valence Electrons	1s1	3s2 3p3
Oxidation State	-1, 1	-3, 3, 5
Atomic Term Symbol (Quantum Numbers)	2S1/2	4S3/2
Shell structure

Parameter	Hydrogen	Phosphorus
Known Isotopes	1H, 2H, 3H, 4H, 5H, 6H, 7H	24P, 25P, 26P, 27P, 28P, 29P, 30P, 31P, 32P, 33P, 34P, 35P, 36P, 37P, 38P, 39P, 40P, 41P, 42P, 43P, 44P, 45P, 46P
Stable Isotopes	Naturally occurring stable isotopes: 1H, 2H	Naturally occurring stable isotopes: 31P
Neutron Cross Section	0.332	0.18
Neutron Mass Absorption	0.011	0.0002

Property	Hydrogen	Phosphorus
Valence or Valency	1	5
Electronegativity	2.2 Pauling Scale	2.19 Pauling Scale
Electron Affinity	72.8 kJ/mol	72 kJ/mol
Ionization Energies	1st: 1312 kJ/mol	1st: 1011.8 kJ/mol 2nd: 1907 kJ/mol 3rd: 2914.1 kJ/mol 4th: 4963.6 kJ/mol 5th: 6273.9 kJ/mol 6th: 21267 kJ/mol 7th: 25431 kJ/mol 8th: 29872 kJ/mol 9th: 35905 kJ/mol 10th: 40950 kJ/mol 11th: 46261 kJ/mol 12th: 54110 kJ/mol 13th: 59024 kJ/mol 14th: 271791 kJ/mol 15th: 296195 kJ/mol

Property	Hydrogen	Phosphorus
Density	0.0000899 g/cm3	1.823 g/cm3
Molar Volume	22.4135 cm3/mol	16.991 cm3/mol
Elastic Properties
Young Modulus	-	-
Shear Modulus	-	-
Bulk Modulus	-	11 GPa
Poisson Ratio	-	-
Hardness - Tests to Measure of Hardness of Element
Mohs Hardness	-	-
Vickers Hardness	-	-
Brinell Hardness	-	-
Electrical Properties
Electrical Conductivity	-	10000000 S/m
Resistivity	-	1e-7 m Ω
Superconducting Point	-	-
Heat and Conduction Properties
Thermal Conductivity	0.1805 W/(m K)	0.236 W/(m K)
Thermal Expansion	-	-
Magnetic Properties
Magnetic Type	Diamagnetic	Diamagnetic
Curie Point	-	-
Mass Magnetic Susceptibility	-2.48e-8 m3/kg	-1.13e-8 m3/kg
Molar Magnetic Susceptibility	-4.999e-11 m3/mol	-3.5e-10 m3/mol
Volume Magnetic Susceptibility	-2.23e-9	-0.0000206
Optical Properties
Refractive Index	1.000132	1.001212
Acoustic Properties
Speed of Sound	1270 m/s	-

Parameter	Hydrogen	Phosphorus
CAS Number	CAS1333-74-0	CAS7723-14-0
RTECS Number	RTECSMW8900000	{N/A, RTECSTH3495000, RTECSTH3500000, N/A}
DOT Hazard Class	2.1	4.1
DOT Numbers	1966	{1338, 1381, 2447}
EU Number	-	-
NFPA Fire Rating	4	4
NFPA Health Rating	3	4
NFPA Reactivity Rating	0	2
NFPA Hazards	-	-
AutoIgnition Point	535.5 °C	-
Flashpoint	-18 °C	-

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Periodic Table Element Comparison: Compare Elements - Hydrogen vs Phosphorus

Hydrogen and Phosphorus Comparison

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Facts

History

Presence: Abundance in Nature and Around Us

Crystal Structure and Atomic Structure

Atomic Spectrum - Spectral Lines

Atomic and Orbital Properties

Isotopes and Nuclear Properties

Chemical Properties: Ionization Energies and electron affinity

Physical Properties

Elastic Properties

Hardness - Tests to Measure of Hardness of Element

Electrical Properties

Heat and Conduction Properties

Magnetic Properties

Optical Properties

Acoustic Properties

Thermal Properties - Enthalpies and thermodynamics

Enthalpies

Regulatory and Health - Health and Safety Parameters and Guidelines

Compare With Other Elements

Compare Hydrogen with all Group 1 elements

Compare Hydrogen with all Period 1 elements

Compare Hydrogen with all Other Nonmetal elements

Compare Phosphorus with all Group 15 elements

Compare Phosphorus with all Period 3 elements

Compare Phosphorus with all Other Nonmetal elements