3
Li
Lithium
6,941 u
Lithium
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الدورة
2
المجموعة
1
الكتلة
s-كتلة
الطور (STP)
Solid
Lithium is the lightest metal and the least dense solid element. It is widely used in rechargeable batteries and psychiatric medication.
المظهر: Silvery-white
Compounds Containing Lithium
المزيد من فلز قلوي
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Frequently Asked Questions
What is Lithium?
Lithium (Li) is a chemical element with atomic number 3. It is a solid at standard temperature and pressure, classified as a فلز قلوي.
What are the key properties of Lithium?
Lithium has an atomic mass of 6.941 u, density of 0.534 g/cm³, melting point of 180.5°C, boiling point of 1329.8°C.
What is the electron configuration of Lithium?
The electron configuration of Lithium is [He] 2s1. It is in the s-block of the periodic table.
Who discovered Lithium?
Lithium was discovered by Johan August Arfwedson in 1817.
What is the electronegativity of Lithium?
Lithium has an electronegativity of 0.98 on the Pauling scale.