Periodic Table Element Comparison: Compare Elements - Germanium vs Arsenic

Compare Germanium and Arsenic

Compare Germanium and Arsenic 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 Germanium vs Arsenic with most reliable information about their properties, attributes, facts, uses etc. You can compare Ge vs As on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Name	Germanium	Arsenic
Atomic Number	32	33
Atomic Symbol	Ge	As
Atomic Weight	72.64	74.9216
Phase at STP	Solid	Solid
Color	Gray	Silver
Metallic Classification	Metalloid	Metalloid
Group in Periodic Table	group 14	group 15
Group Name	carbon family	nitrogen family
Period in Periodic Table	period 4	period 4
Block in Periodic Table	p -block	p -block
Electronic Configuration	[Ar] 3d10 4s2 4p2	[Ar] 3d10 4s2 4p3
Electronic Shell Structure (Electrons per shell)	2, 8, 18, 4	2, 8, 18, 5
Melting Point	1211.4 K	1090 K
Boiling Point	3093 K	887 K
CAS Number	CAS7440-56-4	CAS7440-38-2
Neighborhood Elements	Neighborhood Elements of Germanium	Neighborhood Elements of Arsenic

History	The element Germanium was discovered by C. A. Winkler in year 1886 in Germany. Germanium derived its name from Germania, the Latin name for Germany.	The element Arsenic was discovered by Arabic alchemist in year ca. 800 AD. Arsenic derived its name English word (Latin arsenicum).
Discovery	C. A. Winkler (1886)	Arabic alchemist (ca. 800 AD)
Isolated	()	()

Abundance in Universe	200 / 3	8 / 0.1
Abundance in Sun	200 / 3	- / -
Abundance in Meteorites	21000 / 4900	1800 / 460
Abundance in Earth's Crust	1400 / 390	2100 / 580
Abundance in Oceans	0.06 / 0.0051	2.3 / 0.19
Abundance in Humans	- / -	50 / 4

Atomic Volume	13.646 cm3/mol	12.95 cm3/mol
Atomic Radius	125 pm	114 pm
Covalent Radius	122 pm	119 pm
Van der Waals Radius	211 pm	185 pm
Atomic Spectrum
Lattice Constant	565.75, 565.75, 565.75 pm	375.98, 375.98, 1054.75 pm
Lattice Angle	π/2, π/2, π/2	π/2, π/2, 2 π/3
Space Group Name	Fm_ 3m	R_ 3m
Space Group Number	225	166
Crystal Structure	Face Centered Cubic	Simple Trigonal

Atomic Number	32	33
Number of Electrons (with no charge)	32	33
Number of Protons	32	33
Mass Number	72.64	74.9216
Number of Neutrons	41	42
Shell structure (Electrons per energy level)	2, 8, 18, 4	2, 8, 18, 5
Electron Configuration	[Ar] 3d10 4s2 4p2	[Ar] 3d10 4s2 4p3
Valence Electrons	4s2 4p2	4s2 4p3
Oxidation State	-4, 2, 4	-3, 3, 5
Atomic Term Symbol (Quantum Numbers)	3P0	4S3/2
Shell structure

Known Isotopes	58Ge, 59Ge, 60Ge, 61Ge, 62Ge, 63Ge, 64Ge, 65Ge, 66Ge, 67Ge, 68Ge, 69Ge, 70Ge, 71Ge, 72Ge, 73Ge, 74Ge, 75Ge, 76Ge, 77Ge, 78Ge, 79Ge, 80Ge, 81Ge, 82Ge, 83Ge, 84Ge, 85Ge, 86Ge, 87Ge, 88Ge, 89Ge	60As, 61As, 62As, 63As, 64As, 65As, 66As, 67As, 68As, 69As, 70As, 71As, 72As, 73As, 74As, 75As, 76As, 77As, 78As, 79As, 80As, 81As, 82As, 83As, 84As, 85As, 86As, 87As, 88As, 89As, 90As, 91As, 92As
Stable Isotopes	Naturally occurring stable isotopes: 70Ge, 72Ge, 73Ge, 74Ge	Naturally occurring stable isotopes: 75As
Neutron Cross Section	2.2	4.3
Neutron Mass Absorption	0.0011	0.002

Valence or Valency	4	5
Electronegativity	2.01 Pauling Scale	2.18 Pauling Scale
Electron Affinity	119 kJ/mol	78 kJ/mol
Ionization Energies	1st: 762 kJ/mol 2nd: 1537.5 kJ/mol 3rd: 3302.1 kJ/mol 4th: 4411 kJ/mol 5th: 9020 kJ/mol	1st: 947 kJ/mol 2nd: 1798 kJ/mol 3rd: 2735 kJ/mol 4th: 4837 kJ/mol 5th: 6043 kJ/mol 6th: 12310 kJ/mol

Density	5.323 g/cm3	5.727 g/cm3
Molar Volume	13.646 cm3/mol	12.95 cm3/mol
Elastic Properties
Young Modulus	-	8
Shear Modulus	-	-
Bulk Modulus	-	22 GPa
Poisson Ratio	-	-
Hardness - Tests to Measure of Hardness of Element
Mohs Hardness	6 MPa	3.5 MPa
Vickers Hardness	-	-
Brinell Hardness	-	1440 MPa
Electrical Properties
Electrical Conductivity	2000 S/m	3300000 S/m
Resistivity	0.0005 m Ω	3e-7 m Ω
Superconducting Point	-	-
Heat and Conduction Properties
Thermal Conductivity	60 W/(m K)	50 W/(m K)
Thermal Expansion	0.000006 /K	-
Magnetic Properties
Magnetic Type	Diamagnetic	Diamagnetic
Curie Point	-	-
Mass Magnetic Susceptibility	-1.5e-9 m3/kg	-3.9e-9 m3/kg
Molar Magnetic Susceptibility	-1.09e-10 m3/mol	-2.92e-10 m3/mol
Volume Magnetic Susceptibility	-0.00000798	-0.0000223
Optical Properties
Refractive Index	-	1.001552
Acoustic Properties
Speed of Sound	5400 m/s	-

CAS Number	CAS7440-56-4	CAS7440-38-2
RTECS Number	RTECSLY5200000	{N/A, RTECSCG0525000, N/A}
DOT Hazard Class	4.1	{N/A, 6.1, N/A}
DOT Numbers	3089	{N/A, 1558, N/A}
EU Number	-	-
NFPA Fire Rating	0	{N/A, 2, N/A}
NFPA Hazards	-	N/ A, N/ A, N/ A
NFPA Health Rating	1	{N/A, 3, N/A}
NFPA Reactivity Rating	0	-
AutoIgnition Point	-	-
Flashpoint	-	-

Periodic Table Element Comparison: Compare Elements - Germanium vs Arsenic

Compare Germanium and Arsenic

Facts

History

Presence: Abundance in Nature and Around Us

Crystal Structure and Atomic Structure

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 Germanium with all Group 14 elements

Compare Germanium with all Period 4 elements

Compare Germanium with all Metalloid elements

Compare Arsenic with all Group 15 elements

Compare Arsenic with all Period 4 elements

Compare Arsenic with all Metalloid elements