13 Al Aluminum 26.982 u

Aluminum

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주기
3
족
13
블록
p-블록
상 (표준 상태)
Solid

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

외관: 은회색 금속

물리적 성질

원자 질량 26.982 u
밀도 2.7 g/cm³
녹는점 660.3 °C
끓는점 2469.8 °C
표준 상태에서의 상 Solid
원자 반지름 118.0 pm

전자적 성질

전기 음성도 1.61
이온화 에너지 577.5 eV
전자 친화도 42.5 eV
원자가 전자 3

전자 배치

배치 [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

발견

발견자: Hans Christian Oersted
연도: 1825

블록 & 주기

블록

s p d f

주기

1 2 3 4 5 6 7

주기율표

란타넘족 악티늄족

Al가 포함된 반응

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
12개의 반응 전체 보기 →

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

더 많은 전이후 금속

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

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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 전이후 금속.
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.