Mercury (Hg) VS Gallium (Ga)
A definitive side-by-side comparison of two essential element profiles.
VS
Main Differences
Mercury (Hg) is an element in the transition metals category with an atomic number of 80. Gallium (Ga) is an element in the post-transition metals category with an atomic number of 31.
Mercury (Hg) is 2.3x denser than Gallium (Ga). However, Gallium (Ga) melts at a higher temperature than Mercury (Hg) (a difference of 68.6 Kelvin).
Where do the names come from?
Hg Mercury (Hg) Naming History
Mercury is named after the planet, Mercury.
Ga Gallium (Ga) Naming History
The name Gallium is derived from the Latin name for France, ''Gallia''
Related Comparisons
Compare
Mercury (Hg)
Gallium (Ga)
Category
Transition Metals
Post-transition Metals
Atomic Number
80
31
Symbol
Hg
Ga
Atomic Mass
200.592 u
69.723 u
Group
12
13
Period
6
4
Block
d-block
p-block
Standard State (at 20°C)
liquid
solid
Density
13.534 g/cm³
5.91 g/cm³
Melting Point (°C)
−38.829°C
29.7646°C
Melting Point (°F)
−37.892°F
85.5763°F
Melting Point (K)
234.32 K
302.91 K
Boiling Point (°C)
356.619°C
2229°C
Boiling Point (°F)
673.914°F
4044°F
Boiling Point (K)
629.88 K
2673 K
Year Discovered:
Ancient
1875
CAS Number
7439-97-6
7440-55-3
Origin of Name:
Mercury is named after the planet, Mercury.
The name is derived from the Latin name for France, ''Gallia''