Periodic Table Element Comparison: Compare Elements - Arsenic vs Germanium

Compare Arsenic and Germanium

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

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

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

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

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

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

Known Isotopes	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	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
Stable Isotopes	Naturally occurring stable isotopes: 75As	Naturally occurring stable isotopes: 70Ge, 72Ge, 73Ge, 74Ge
Neutron Cross Section	4.3	2.2
Neutron Mass Absorption	0.002	0.0011

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

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

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

Periodic Table Element Comparison: Compare Elements - Arsenic vs Germanium

Compare Arsenic and Germanium

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 Arsenic with all Group 15 elements

Compare Arsenic with all Period 4 elements

Compare Arsenic with all Metalloid elements

Compare Germanium with all Group 14 elements

Compare Germanium with all Period 4 elements

Compare Germanium with all Metalloid elements