28 Ni Nickel 58,693 u

Nickel

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Chu kỳ
4
Nhóm
10
Khối
d-khối
Pha (STP)
Solid

Nickel is a corrosion-resistant transition metal used in coins, stainless steel, and alloys. It is also used in rechargeable batteries and catalysis.

Ngoại quan: Lustrous, metallic, silvery with gold tinge

About Nickel

Corrosion-resistant and tough, nickel is a silvery transition metal with a faint golden tinge, used in coinage, stainless steel, and a wide range of alloys. It has atomic number 28 and an atomic mass of 58.693, a density of 8.91 g/cm³, and a melting point of 1728 K. Its [Ar] 3d8 4s2 configuration gives an electronegativity of 1.91 and a first ionization energy of 737 kJ/mol. Axel Fredrik Cronstedt first isolated the metal in 1751. Beyond structural alloys, nickel serves in rechargeable batteries and as a catalyst. It occupies group 10, period 4.

Tính chất vật lý

Khối lượng nguyên tử 58.693 u
Mật độ 8.908 g/cm³
Điểm nóng chảy 1454.8 °C
Điểm sôi 2729.8 °C
Pha ở STP Solid
Bán kính nguyên tử 149.0 pm

Tính chất điện tử

Độ âm điện 1.91
Năng lượng ion hóa 737.1 eV
Ái lực electron 112.0 eV
Electron hóa trị 10

Cấu hình electron

Cấu hình [Ar] 3d⁸ 4s²

Electron Shell Configuration

Nickel electron shell configuration Ni 2e⁻ 8e⁻ 16e⁻ 2e⁻
Electron shell structure of Nickel — electrons per shell.
Shell Electrons
1 (K) 2
2 (L) 8
3 (M) 16
4 (N) 2

Position in Periodic Table

Nickel position in the periodic table Ni

Khám phá

Được phát hiện bởi: Axel Fredrik Cronstedt
Năm: 1751

Compounds Containing Nickel

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Frequently Asked Questions

What is Nickel?
Nickel (Ni) is a chemical element with atomic number 28. It is a solid at standard temperature and pressure, classified as a kim loại chuyển tiếp.
What are the key properties of Nickel?
Nickel has an atomic mass of 58.693 u, density of 8.908 g/cm³, melting point of 1454.8°C, boiling point of 2729.8°C.
What is the electron configuration of Nickel?
The electron configuration of Nickel is [Ar] 3d8 4s2. It is in the d-block of the periodic table.
Who discovered Nickel?
Nickel was discovered by Axel Fredrik Cronstedt in 1751.
What is the electronegativity of Nickel?
Nickel has an electronegativity of 1.91 on the Pauling scale.