Element Family
Transition Metal
Alkaline Earth
Space Group Name
P63/mmc
Fm_ 3m
Interesting Facts
- Yttrium Metal is highly toxic.
- Yttrium Metal is highly reactive in nature hence not found free in nature.
- Calcium ranks 5th rank in the list of earth’s abundance Percentage.
- It is found in the compound state.
- Gypsum or calcium sulfate is used as plaster and plaster of paris.
Sources
Found in Minerals, Mining, Ores of Minerals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Who Discovered
Johan Gadolin
Humphry Davy
Discovery
In 1794
In 1808
Abundance In Earth's Crust
Uses & Benefits
- Yttrium metal is used in different alloys, as it increases the strength of aluminum Magnesium alloy. It is used for radar microwave filter.
-
It is also used as a catalyst in ethene polymerisation.
- It is used as a reducing agent while preparing metals like thorium and uranium. It is also used as an alloying agent for metals such as aluminum, copper & lead.
- Calcium carbonate or lime stone is used in cement.
Industrial Uses
Electrical Industry, Electronic Industry
Chemical Industry
Medical Uses
-
Dentistry, Pharmaceutical Industry
Toxicity
Highly Toxic
Non Toxic
Present in Human Body
Yes
Yes
Physical State
Solid
Solid
Pauling Electronegativity
Sanderson Electronegativity
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Pauling Electropositivity
Electrochemical Equivalent
Other Chemical Properties
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility
Chemical Stability, Flammability, Ionization, Solubility
Electron Configuration
[Kr] 4d1 5s2
[Ar] 4s2
Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
Crystal Lattice
HCP-Crystal-Structure-of-Yttrium.jpg#100
FCC-Crystal-Structure-of-Calcium.jpg#100
Valence Electron Potential
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Density At Room Temperature
Density When Liquid (at m.p.)
Other Mechanical Properties
Ductile
-
Magnetic Ordering
Paramagnetic
Diamagnetic
Electrical Property
Conductor
Conductor