13 Al Aluminum 26,982 u

Aluminum

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Periode
3
Golongan
13
Blok
p-blok
Fase (STP)
Solid

Aluminum is the most abundant metal in Earth's crust. It is lightweight, corrosion-resistant, and widely used in packaging and transportation.

Penampilan: Silvery-gray metallic

Sifat Fisika

Massa Atom 26.982 u
Kerapatan 2.7 g/cm³
Titik Lebur 660.3 °C
Titik Didih 2469.8 °C
Fase pada STP Solid
Jari-jari Atom 118.0 pm

Sifat Elektronik

Keelektronegatifan 1.61
Energi Ionisasi 577.5 eV
Afinitas Elektron 42.5 eV
Elektron Valensi 3

Konfigurasi Elektron

Konfigurasi [Ne] 3s² 3p¹

Electron Shell Configuration

Aluminum electron shell configuration Al 2e⁻ 8e⁻ 3e⁻

Position in Periodic Table

Aluminum position in the periodic table Al

Penemuan

Ditemukan oleh: Hans Christian Oersted
Tahun: 1825

Blok & Periode

Blok

s p d f

Periode

1 2 3 4 5 6 7

Tabel Periodik

Lantanida Aktinida

Reaksi yang Melibatkan Al

Hall-Héroult Process (Aluminum Smelting)

2Al₂O₃ + 3C → 4Al + 3CO₂

Electrochemical

Aluminum Reacting with Iron(III) Oxide (Thermite)

2Al + Fe₂O₃ → Al₂O₃ + 2Fe

Single-Replacement

Aluminum Reacting with Hydrochloric Acid

2Al + 6HCl → 2AlCl₃ + 3H₂

Single-Replacement

Aluminum Hydroxide and Hydrochloric Acid

Al(OH)₃ + 3HCl → AlCl₃ + 3H₂O

Double-Replacement

Aluminum Reducing Chromium Oxide (Aluminothermic)

2Al + Cr₂O₃ → Al₂O₃ + 2Cr

Single-Replacement
Lihat semua 12 reaksi →

Compounds Containing Aluminum

Aluminum Oxide

Al₂O₃

Aluminum Hydroxide

Al(OH)₃

Aluminum Chloride

AlCl₃

Potassium Aluminum Sulfate

KAl(SO₄)₂

Lithium Aluminum Hydride

LiAlH₄

Potassium Feldspar

KAlSi₃O₈

Kaolinite

Al₂Si₂O₅(OH)₄

Aluminum Nitride

AlN

Sodium Aluminate

NaAlO₂

Zeolite A

Na₁₂Al₁₂Si₁₂O₄₈

Calcium Aluminate Cement

CaO·Al₂O₃

Lebih banyak Logam Pasca-Transisi

31 Ga Gallium 49 In Indium 50 Sn Tin 81 Tl Thallium 82 Pb Lead 83 Bi Bismuth 84 Po Polonium

Explore on Science FYI

AlloyFYI
Aluminum 6061

Versatile structural aluminum alloy
AlloyFYI
Aluminum 7075

High-strength aerospace aluminum alloy

Frequently Asked Questions

What is Aluminum?
Aluminum (Al) is a chemical element with atomic number 13. It is a solid at standard temperature and pressure, classified as a logam pasca-transisi.
What are the key properties of Aluminum?
Aluminum has an atomic mass of 26.982 u, density of 2.7 g/cm³, melting point of 660.3°C, boiling point of 2469.8°C.
What is the electron configuration of Aluminum?
The electron configuration of Aluminum is [Ne] 3s2 3p1. It is in the p-block of the periodic table.
Who discovered Aluminum?
Aluminum was discovered by Hans Christian Oersted in 1825.
What is the electronegativity of Aluminum?
Aluminum has an electronegativity of 1.61 on the Pauling scale.