crystalline structure Structure: hexagonal close- packed (hcp)
Space group: P63/mmc Space group number: 194 Structure: hexagonal
close- packed (hcp) Space group: P63/mmc Space group number:
194
Slide 5
Facts Atomic number: 67 Symbol: Ho Atomic Weight: 164.93032
Number of Protons:67 Number of electrons:67 Number of Neutrons: 98
Atomic number: 67 Symbol: Ho Atomic Weight: 164.93032 Number of
Protons:67 Number of electrons:67 Number of Neutrons: 98
Uses of Holmium: Used in filters that help calibrate the
wavelength settings in UV spectrophotomet- ers Used to color red or
yellow glass Used in some jewelry
Slide 8
More uses Used in some solid state lasers Used in the
calibration of gamma ray spectrometers Used in microwaves, and also
dental/ medical settings Used in some solid state lasers Used in
the calibration of gamma ray spectrometers Used in microwaves, and
also dental/ medical settings
Slide 9
Where do you find holmium? In the element Monazite In the
element Gadolinite **Note: Holmium is very rarely found in nature,
and when it is, it is in small quantity.
Slide 10
Chemical Properties: Stable at room temperature Dissolves in
acids Oxidation State: +3 Stable at room temperature Dissolves in
acids Oxidation State: +3
Slide 11
Fun Facts: The word holmium comes from the Latin word Holmia,
which means Stockholm. Stockholm is the hometown of the founder of
holmium. It costs $10 for a single gram of holmium!
http://www.youtube.com/watch?v=3ERc- vPLMUs
http://www.youtube.com/watch?v=3ERc- vPLMUs
http://www.youtube.com/watch?v=Klfui3 WSQ00
http://www.youtube.com/watch?v=Klfui3 WSQ00 The word holmium comes
from the Latin word Holmia, which means Stockholm. Stockholm is the
hometown of the founder of holmium. It costs $10 for a single gram
of holmium! http://www.youtube.com/watch?v=3ERc- vPLMUs
http://www.youtube.com/watch?v=3ERc- vPLMUs
http://www.youtube.com/watch?v=Klfui3 WSQ00
http://www.youtube.com/watch?v=Klfui3 WSQ00