Iron (Fe) VS Aluminium (Al)

A definitive side-by-side comparison of two essential element profiles.

Main Differences

Iron (Fe) is an element in the transition metals category with an atomic number of 26. Aluminium (Al) is an element in the post-transition metals category with an atomic number of 13.

Iron (Fe) is 2.9x denser than Aluminium (Al). Furthermore, Iron (Fe) melts at a significantly higher temperature than Aluminium (Al) (a difference of 877.5 Kelvin).

Where do the names come from?

Fe
Iron (Fe) Naming History

The name Iron comes from the Anglo-Saxon name ''iren''.

Al
Aluminium (Al) Naming History

The name Aluminium is derived from the Latin name for alum, 'alumen' meaning bitter salt.

Related Comparisons

Compare

Compare
Iron (Fe)
Aluminium (Al)
Category
Transition Metals
Post-transition Metals
Atomic Number
26
13
Symbol
Fe
Al
Atomic Mass
55.845 u
26.982 u
Group
8
13
Period
4
3
Block
d-block
p-block
Standard State (at 20°C)
solid
solid
Density
7.874 g/cm³
2.7 g/cm³
Melting Point (°C)
1538°C
660.323°C
Melting Point (°F)
2800°F
1220.581°F
Melting Point (K)
1811 K
933.47 K
Boiling Point (°C)
2861°C
2519°C
Boiling Point (°F)
5182°F
4566°F
Boiling Point (K)
3134 K
2792 K
Year Discovered:
Ancient
1825
CAS Number
7439-89-6
7429-90-5
Origin of Name:
The name comes from the Anglo-Saxon name ''iren''.
The name is derived from the Latin name for alum, 'alumen' meaning bitter salt.