The Periodic Table/67 - Holmium (Ho)

Element Holmium (Ho, 67)

Here you can read more about the chemical element Holmium. Its shemical symbol is Ho and its atomic number is 67. The relative atomic mass of Holmium is 164.93032 u. The elemental classification of Holmium is Lanthanides, and it belongs to group 3 and period 6 in the Periodic Table of Elements.

The density of Holmium is 8800 kg/m3. The melting point of Holmium is 1747 Kelvin (1474 ℃). The boiling point of Holmium is 2968 Kelvin (2695 ℃). Holmium was discovered in the year 1878 by Marc Delafontaine.

To the right (or below if you are using a mobile device with a smaller screen) you will find the information given above for the element Holmium ordered in tabular form, which might be easier to read and use if you want to quantify it in some sort.


Data about element Holmium

Chemical symbol
Ho
Element classification
Lanthanides
Atomic number
67
Group
3
Period
6
Relativ atomic mass
Atomic mass
164.93032 u
Density
8800 kg/m3
Melting point
1747 K   (1474 ℃)
Boiling point
2968 K   (2695 ℃)
Discovered year
1878
Discovered by
Marc Delafontaine