Aluminium
13
Al
Kumpulan
13
Kala
3
Blok
p
Proton
Elektron
Neutron
13
13
14
Ciri-Ciri Am
Nombor atom
13
Berat atom
26.9815386
Nombor jisim
27
Kategori
Logam lemah
Warna
Perak
Radioaktif
Tidak
From the Latin word alumen, alum
Struktur hablur
Pusat Wajah Kubik
Sejarah
In 1761, Guyton de Morveau proposed the name alumine for the base in alum, and Antoine Lavoisier, in 1787, thought this to be the oxide of a still undiscovered metal.
Sir Humphry Davy identified the existence of a metal base of alum in 1808.
Hans Christian Ørsted was the first to isolate metallic aluminum in 1825 in impure form.
Friedrich Wöhler is generally credited with having isolated the metal in 1827.
Sir Humphry Davy identified the existence of a metal base of alum in 1808.
Hans Christian Ørsted was the first to isolate metallic aluminum in 1825 in impure form.
Friedrich Wöhler is generally credited with having isolated the metal in 1827.
Bilangan elektron per petala
2, 8, 3
Konfigurasi elektron
[Ne] 3s2 3p1
Aluminum does not stick to magnets under normal conditions
Ciri-Ciri Fizikal
Fasa
Pepejal
Ketumpatan
2.698 g/cm3
Takat lebur
933.47 K | 660.32 °C | 1220.58 °F
Takat didih
2792.15 K | 2519 °C | 4566.2 °F
Haba pelakuran
10.7 kJ/mol
Haba pengewapan
293 kJ/mol
Muatan haba molar
0.897 J/g·K
Banyak pada kerak bumi
8.1%
Banyak pada alam semesta
0.005%
Nombor CAS
7429-90-5
Nombor PubChem CID
5359268
Ciri-Ciri Atom
Jejari atom
143 pm
Jejari kovalen
121 pm
Keelektronegatifan
1.61 (Skala Pauling)
Kebolehan mengion
5.9858 eV
Isipadu atom
9.98 cm3/mol
Daya pengaliran terma
2.37 W/cm·K
Keadaan pengoksidaan
1, 3
Aplikasi
Aluminum is used in an extensive range of products from drinks cans to window frames and boats to aircraft.
It is used in electrical transmission lines.
It is also used for kitchen utensils, outside building decoration, and in thousands of industrial applications.
When alloyed with small amounts of copper, magnesium, silicon, manganese, or other elements impart a variety of useful properties.
It is used in electrical transmission lines.
It is also used for kitchen utensils, outside building decoration, and in thousands of industrial applications.
When alloyed with small amounts of copper, magnesium, silicon, manganese, or other elements impart a variety of useful properties.
Aluminum is not known to be toxic
Isotop
Isotop stabil
27AlIsotop tidak stabil
21Al, 22Al, 23Al, 24Al, 25Al, 26Al, 28Al, 29Al, 30Al, 31Al, 32Al, 33Al, 34Al, 35Al, 36Al, 37Al, 38Al, 39Al, 40Al, 41Al, 42Al