Iodine (I) VS Xenon (Xe)
A definitive side-by-side comparison of two essential element profiles.
VS
Main Differences
Iodine (I) is an element in the halogens category with an atomic number of 53. Xenon (Xe) is an element in the noble gases category with an atomic number of 54.
Xenon (Xe) is 1.2x denser than Iodine (I). Furthermore, Iodine (I) melts at a significantly higher temperature than Xenon (Xe) (a difference of 225.5 Kelvin).
Where do the names come from?
I Iodine (I) Naming History
The name Iodine is derived from the Greek ''iodes'' meaning violet.
Xe Xenon (Xe) Naming History
The name Xenon is derived from the Greek ''xenos'' meaning stranger.
Related Comparisons
Compare
Iodine (I)
Xenon (Xe)
Category
Halogens
Noble Gases
Atomic Number
53
54
Symbol
I
Xe
Atomic Mass
126.904 u
131.293 u
Group
17
18
Period
5
5
Block
p-block
p-block
Standard State (at 20°C)
solid
gas
Density
4.933 g/cm³
5.894 g/L g/cm³
Melting Point (°C)
113.7°C
−111.75°C
Melting Point (°F)
236.7°F
−169.15°F
Melting Point (K)
386.85 K
161.4 K
Boiling Point (°C)
184.4°C
−108.099°C
Boiling Point (°F)
363.9°F
−162.578°F
Boiling Point (K)
457.4 K
165.03 K
Year Discovered:
1811
1898
CAS Number
7553-56-2
7440-63-3
Origin of Name:
The name is derived from the Greek ''iodes'' meaning violet.
The name is derived from the Greek ''xenos'' meaning stranger.