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- Engineering
- What is the atomic number of the element named but not discovered below Radium?Option: 1 114Option: 2</
- #Engineering
- #Joint Entrance Examination Main
- #S - Block Elements (Alkali and Alkaline Earth Metals)
- #Chemistry
- #Class 11
What is the atomic number of the element named but not discovered below Radium?
Option: 1
114
Option: 2
120
Option: 3
122
Option: 4
124
Answers (1)
Unbinilium, also known as eka-radium or element 120, is the hypothetical chemical element in the periodic table with the symbol Ubn and atomic number 120. It is placed below Radium.
Hence option 2 is correct.
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