Q. which Element with least boiling and melting point in the periodic table?
Solution:
- Most electro possitive stable element(stable) -Caesium(Cs) .
- 4 Most number of isotopes-Tin(Sn)-10 Isotopes
- Least number of isotopes-Hydrogen-3 Isotopes.
- Element with least boiling and melting point-Helium (He)
- Element having higher electro negativity -Fluorine(F).
- Element having higher electro positivity(unstable)-Francium(Fr).
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