Symbol of Iron?
FPSC Past Papers / All — Multiple-choice practice
لوہے کی علامت؟
- A. Fe
- B. Ff
- C. Fg
- D. none
Correct answer
Fe
Explanation
Explanation IRON: Symbol: Fe Atomic mass: 55.845 u Atomic number: 26 Electron configuration: [Ar] 3d64s2 Density: 7.874 g/cm³ (near room temperature) Electrons per shell: 2, 8, 14, 2 Melting point: 1,538 °C
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