Periodic Table Element Comparison: Compare Elements - Lithium vs Arsenic

Compare Lithium and Arsenic

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

Name	Lithium	Arsenic
Atomic Number	3	33
Atomic Symbol	Li	As
Atomic Weight	6.941	74.9216
Phase at STP	Solid	Solid
Color	Silver	Silver
Metallic Classification	Alkali Metal	Metalloid
Group in Periodic Table	group 1	group 15
Group Name	lithium family	nitrogen family
Period in Periodic Table	period 2	period 4
Block in Periodic Table	s -block	p -block
Electronic Configuration	[He] 2s1	[Ar] 3d10 4s2 4p3
Electronic Shell Structure (Electrons per shell)	2, 1	2, 8, 18, 5
Melting Point	453.69 K	1090 K
Boiling Point	1615 K	887 K
CAS Number	CAS7439-93-2	CAS7440-38-2
Neighborhood Elements	Neighborhood Elements of Lithium	Neighborhood Elements of Arsenic

History	The element Lithium was discovered by A. Arfwedson in year 1817 in Sweden. Lithium derived its name the Greek word lithos, meaning 'stone'.	The element Arsenic was discovered by Arabic alchemist in year ca. 800 AD. Arsenic derived its name English word (Latin arsenicum).
Discovery	A. Arfwedson (1817)	Arabic alchemist (ca. 800 AD)
Isolated	W. T. Brande (1821)	()

Abundance in Universe	6 / 1	8 / 0.1
Abundance in Sun	0.06 / 0.01	- / -
Abundance in Meteorites	1700 / 4600	1800 / 460
Abundance in Earth's Crust	17000 / 50000	2100 / 580
Abundance in Oceans	180 / 160	2.3 / 0.19
Abundance in Humans	30 / 27	50 / 4

Atomic Volume	13.02 cm3/mol	12.95 cm3/mol
Atomic Radius	167 pm	114 pm
Covalent Radius	134 pm	119 pm
Van der Waals Radius	182 pm	185 pm
Atomic Spectrum
Lattice Constant	351, 351, 351 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	Im_ 3m	R_ 3m
Space Group Number	229	166
Crystal Structure	Body Centered Cubic	Simple Trigonal

Atomic Number	3	33
Number of Electrons (with no charge)	3	33
Number of Protons	3	33
Mass Number	6.941	74.9216
Number of Neutrons	4	42
Shell structure (Electrons per energy level)	2, 1	2, 8, 18, 5
Electron Configuration	[He] 2s1	[Ar] 3d10 4s2 4p3
Valence Electrons	2s1	4s2 4p3
Oxidation State	1	-3, 3, 5
Atomic Term Symbol (Quantum Numbers)	2S1/2	4S3/2
Shell structure

Known Isotopes	3Li, 4Li, 5Li, 6Li, 7Li, 8Li, 9Li, 10Li, 11Li, 12Li	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: 6Li, 7Li	Naturally occurring stable isotopes: 75As
Neutron Cross Section	0.045	4.3
Neutron Mass Absorption	-	0.002

Valence or Valency	1	5
Electronegativity	0.98 Pauling Scale	2.18 Pauling Scale
Electron Affinity	59.6 kJ/mol	78 kJ/mol
Ionization Energies	1st: 520.2 kJ/mol 2nd: 7298.1 kJ/mol 3rd: 11815 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	0.535 g/cm3	5.727 g/cm3
Molar Volume	13.02 cm3/mol	12.95 cm3/mol
Elastic Properties
Young Modulus	4.9	8
Shear Modulus	4.2 GPa	-
Bulk Modulus	11 GPa	22 GPa
Poisson Ratio	-	-
Hardness - Tests to Measure of Hardness of Element
Mohs Hardness	0.6 MPa	3.5 MPa
Vickers Hardness	-	-
Brinell Hardness	-	1440 MPa
Electrical Properties
Electrical Conductivity	11000000 S/m	3300000 S/m
Resistivity	9.4e-8 m Ω	3e-7 m Ω
Superconducting Point	-	-
Heat and Conduction Properties
Thermal Conductivity	85 W/(m K)	50 W/(m K)
Thermal Expansion	0.000046 /K	-
Magnetic Properties
Magnetic Type	Paramagnetic	Diamagnetic
Curie Point	-	-
Mass Magnetic Susceptibility	2.56e-8 m3/kg	-3.9e-9 m3/kg
Molar Magnetic Susceptibility	1.78e-10 m3/mol	-2.92e-10 m3/mol
Volume Magnetic Susceptibility	0.00000137	-0.0000223
Optical Properties
Refractive Index	-	1.001552
Acoustic Properties
Speed of Sound	6000 m/s	-

CAS Number	CAS7439-93-2	CAS7440-38-2
RTECS Number	RTECSOJ5540000	{N/A, RTECSCG0525000, N/A}
DOT Hazard Class	4.3	{N/A, 6.1, N/A}
DOT Numbers	1415	{N/A, 1558, N/A}
EU Number	-	-
NFPA Fire Rating	2	{N/A, 2, N/A}
NFPA Hazards	Water Reactive	N/ A, N/ A, N/ A
NFPA Health Rating	3	{N/A, 3, N/A}
NFPA Reactivity Rating	2	-
AutoIgnition Point	179 °C	-
Flashpoint	-	-

Periodic Table Element Comparison: Compare Elements - Lithium vs Arsenic

Compare Lithium 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 Lithium with all Group 1 elements

Compare Lithium with all Period 2 elements

Compare Lithium with all Alkali Metal elements

Compare Arsenic with all Group 15 elements

Compare Arsenic with all Period 4 elements

Compare Arsenic with all Metalloid elements