Elements
3

Li

Lithium

Lithium (Li) is a silver-white colored metal that has the atomic number 3 in the periodic table. It is an Alkali Metal with the symbol Li and is located in Group 1 of the periodic table.

Lithium’s most common uses include in the creation of batteries and its use in medication. Lithium is a very reactive metal and unlike a lot of metals it can be cut with a knife. It reacts violently with water and if left out in air it will react with oxygen by the process of oxidation. Lithium very often has to be kept in oil for storage to prevent it reacting with moisture and oxygen in the air. Lithium is a metal in Group 1 of the period tables. It is a solid at room temperature and it has a melting point of 1330°c and a boiling point of 180°c. Lithium was discovered in 1817 by the Swedish scientist Johan August Arfvedson through his analysis of the mineral Petalite. As Lithium is so reactive it does not occur freely in nature, however it is found as an ore. In 1855, the British chemist Augustus Matthiessen managed to purify Lithium from Lithium Chloride. Lithium is a metal with the lowest known density and will easily float on water.

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FAQ's

What is the Melting Point for Lithium?

Lithium has a Melting Point of 180.5°F, meaning at 180.5°F it will turn to a liquid.

What is the Boiling Point for Lithium?

Lithium has a Boiling Point of 1342°F, meaning at 1342°F it will turn to a Gas.

What is the Electronegativity of Lithium?

Lithium's Electronegativty is 0.98. Electronegativity is a measure of how strongly atoms attract bonding electrons to themselves.

What is the Heat of Vaporization of Lithium?

Lithium has a Heat of Vaporization of 145.92 kJ/mol.

Uses

Used in batteries. Also for certain kinds of glass and ceramics. Some is used in lubricants.

Sources

Obtained by passing electric charge through melted lithium chloride and from the silicate mineral called spodumene [LiAl(Si2O6)].

3
Protons
3
Electrons
4
Neutrons

Li

Element Symbol
Li
Atomic Weight
6.941
Atomic Number
3
State
Solid
Melting Point
Unknown
180.5
°C
Boiling Point
1342
Unknown
°C
Heat of Vaporization
145.92
Unknown
kJ/mol
Crystal Structure
Cubic: Body centered
Thermoconductivity
0.847
Unknown
W/cmK
Shells
2,1
Group
Alkali Metal
Period
2
Block
S Block
Orbitals
[He] 2s1
Coefficient of Thermal Expansion
46 10^-6 K^-1
Covalent Radius
1.23 Å
Density at 293K
0.53 g/cm³
Electrical Conductivity
0.108 10^6/cm ohm
First Ionization Potential
5.3917 V
Second Ionization Potential
76.638 V
Third Ionization Potential
122.451 V
Ionic Radius
.76 (+1) Å
Oxydation States
1
Lattice Parameter
3.5101 Å
Lattice Parameter 2
--
Lattice Parameter 3
6.7080 Å
Pronounced

LITH-i-em

Discovered by

Johann Arfwedson

Discovery date

1817

Orbital configuration
2,1

Download the Periodic Table

Explore Other Alkali Metals

85.468
37

Rb

Rubidium
22.99
11

Na

Sodium
39.098
19

K

Potassium
132.905
55

Cs

Caesium
223
87

Fr

Francium
The alkali metals, found in group 1 of the periodic table (formally known as group IA), are so reactive that they are generally found in nature combined with other elements. The alkali metals are shiny, soft, highly reactive metals at standard temperature and pressure.
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