Because of this, they considered non-reactive. Show transcribed image text. He c. Ne Therefore, its boiling point (1860 C) is more than that of He. The nobel gases have high ionization energy and very low electron affinity. Anonymous. The noble gases all have low boiling points: helium, at the top of group 0, has the lowest boiling point of any element boiling point increases going down the group Relevance. As atomic mass of the element increases, the vanderwaals forces of attration between atoms increases and boiling point increases. The boiling point of noble gases is too low because of the very weak forces between them, called van der walls. d. Ar a. Xe b. See the answer. resulting in greater interaction between argon atoms. which noble gas has the highest boiling point? During melting and boiling of overall noble gases, and only a slight amount … So among the given noble gases Xe is having maximum boiling point Hence option A is correct. OPTIONS: a)Ne. the noble gases, has the strongest intermolecular force and hence the highest boiling 21. Question: Which Noble Gas Has The Highest Boiling Point? c)Xe. Chlorine is greenish-yellow gas. Bromine is reddish-brown or Orange-red liquid and Iodine is violet or Shining black solid. Physical properties of the noble gases. Expert Answer 100% (6 ratings) 1 decade ago. d)Kr. 7 Answers. Fluorine is light yellow/Pale yellow gas. Similarly, because of increased dispersion forces, the boiling and melting points of monoatomic noble gases increase from helium to radon. Of all point. Noble gases have very low boiling and melting points, which makes them useful as cryogenic refrigerants. e)Ar. Hence Xe has highest boiling point. The ease of liquefaction of noble gases increases in the order (a) He < Ne < Ar < Kr < Xe asked Apr 10, 2018 in Chemistry by Golu ( 106k points) p - block element Melting and Boiling Points: The elements have low boiling and melting points as their molecules are held together by Weak Vander Wall’s forces. The melting and boiling points of noble gases are very low in comparison to those of other substances of comparable atomic and molecular masses. Boiling and melting points of mono atomic noble gases increases down the group (Helium to Radon). -a,b,c,d or e? The melting and boiling points (physical properties) of a noble gas are close together, differing by less than 10 °C (18 °F) – that is to say, they are liquids over only a small temperature range. The physical properties of the noble gases are tightly grouped. thnx. Favorite Answer. 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