Zinc (Zn) — Transition metal. Atomic number 30.
Bluish-silver metal
- Atomic number: 30
- Symbol: Zn
- Atomic mass: 65.38 u
- Category: Transition metal
- State: Solid
- Melting point: 419.53 °C / 692.68 K
- Boiling point: 906.85 °C / 1180 K
- Density: 7.14 g/cm³ (20°C)
- Electron configuration: [Ar] 3d10 4s2
- Oxidation states: +2
- Electronegativity: 1.65
- Discovered by: Known since antiquity
Common uses: Galvanizing, Brass alloys, Batteries, Dietary supplements
Biological role: Essential for enzyme function and immune health.
Frequently Asked Questions about Zinc
What is the atomic number of zinc?
Zinc has an atomic number of 30, meaning each atom contains 30 protons in its nucleus.
What is the atomic mass of zinc?
The standard atomic weight of zinc is 65.38 u (unified atomic mass units).
What category does zinc belong to?
Zinc is classified as a transition metal.
What is the state of zinc at room temperature?
Zinc is a solid at 20 °C (68 °F).
What is the melting point of zinc?
The melting point of zinc is 419.53 °C / 692.68 K.
What is the boiling point of zinc?
The boiling point of zinc is 906.85 °C / 1180 K.
What is the density of zinc?
The density of zinc is 7.14 g/cm³ (20°C).
What is the electronegativity of zinc?
Zinc has a Pauling electronegativity of 1.65.
What is the electron configuration of zinc?
The electron configuration of zinc is [Ar] 3d10 4s2.
What are the common oxidation states of zinc?
Zinc commonly exhibits the following oxidation states: +2.
Is zinc radioactive?
Zinc is a stable element with no naturally occurring radioactive isotopes.
What is the biological role of zinc?
Essential for enzyme function and immune health.
What are the common uses of zinc?
Zinc is used for: Galvanizing; Brass alloys; Batteries; Dietary supplements.
