88
Ra
Radium
226.0 u
Radium
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周期
7
族
2
区块
s-区块
相态 (STP)
Solid
Radium is a radioactive alkaline earth metal discovered by Marie and Pierre Curie. It glows faintly blue due to its intense radioactivity.
更多碱土金属
Frequently Asked Questions
What is Radium?
Radium (Ra) is a chemical element with atomic number 88. It is a solid at standard temperature and pressure, classified as a 碱土金属.
What are the key properties of Radium?
Radium has an atomic mass of 226.0 u.
What is the electron configuration of Radium?
The electron configuration of Radium is [Rn] 7s2. It is in the s-block of the periodic table.
What is the electronegativity of Radium?
Radium has an electronegativity of 0.9 on the Pauling scale.