Skip to main content

Thorium

ADVERTISEMENT
Identification
Molecular formula
Th
CAS number
7440-29-1
IUPAC name
thorium
State
State

Thorium is in a solid state at room temperature.

Melting point (Celsius)
1 750.00
Melting point (Kelvin)
2 023.00
Boiling point (Celsius)
4 788.00
Boiling point (Kelvin)
5 061.00
General information
Molecular weight
232.04g/mol
Molar mass
232.0380g/mol
Density
11.7000g/cm3
Appearence

Thorium is a silvery metal that tarnishes black when exposed to air, forming thorium dioxide (ThO2).

Comment on solubility

Solubility of Thorium Compounds

Thorium, represented by the chemical symbol Th, is a radioactive element that exhibits varying solubility depending on its compound form. Generally, thorium compounds are characterized by low solubility in water, which influences their behavior in environmental and chemical contexts.

Key Points on Solubility:

  • Thorium Dioxide (ThO): Extremely insoluble in water, making it an important material in various high-temperature applications.
  • Thorium Nitrate (Th(NO3)4): Moderately soluble in water, facilitating its use in certain chemical processes.
  • Thorium Sulfate (Th(SO4)2): Displays limited solubility, impacting its utility in industrial applications.

According to common observation, the solubility of thorium compounds in water can be summarized as follows:

  1. Insoluble compounds are prevalent in many forms of thorium.
  2. Some nitrate salts can dissolve, thus expanding their applications in research.
  3. Solubility often decreases in acidic environments.

Understanding the solubility properties of thorium is crucial, as these factors dictate its reactivity and environmental presence. Thus, when engaging with thorium, remember: solubility plays a pivotal role in its practical applications and safe handling.

Interesting facts

Interesting Facts About Thorium

Thorium is a fascinating chemical element with the symbol Th and atomic number 90. As a member of the actinide series, this element holds significant potential for a variety of applications and research areas. Here are some key points that highlight the importance and uniqueness of thorium:

  • Nuclear Energy Potential: Thorium is considered a promising alternative to uranium for nuclear fuel. Its ability to breed isotopes like 233U makes it an attractive option for reactors designed for sustainability and efficiency.
  • Abundance and Accessibility: Thorium is more abundant in the earth's crust than uranium, and significant reserves exist around the world, making it a potential cornerstone for future energy production.
  • Low Radioactivity: Compared to other radioactive elements, thorium has a lower level of radioactivity. This feature positions it as a safer option for use in energy generation and nuclear applications.
  • Enhanced Safety Features: Thorium-based reactors are often touted for their inherent safety advantages. The designs often utilize liquid fluoride thorium reactors (LFTRs), which operate at atmospheric pressure and are resistant to meltdown scenarios.
  • Research and Development: Extensive research is currently being conducted to harness thorium's potential in advanced nuclear technologies, including its role in clean energy initiatives that aim to reduce environmental impact.

In summary, thorium not only presents a viable solution to some of the pressing energy challenges of our time but also invites further investigation into its properties and applications. As scientist Albert Einstein famously stated, "The important thing is not to stop questioning." In the context of thorium, this defines the ongoing quest for knowledge about nuclear chemistry and sustainable energy optimization.

Synonyms
THORIUM
7440-29-1
Th
Thorium-232
torio
232Th
HSDB 864
UNII-60YU5MIG9W
EINECS 231-139-7
Thorium, elemental
60YU5MIG9W
UN2975
Thorium metal, pyrophoric
90Th
Thorium metal, pyrophoric [UN2975] [Radioactive]
Thorium Standard: Th @ 1000 microg/mL in 5% HNO3
Thorium Standard: Th @ 10000 microg/mL in 5% HNO3
Thorium Nanofoil
232Th radioisotope
THORIUM [HSDB]
THORIUM [MI]
DTXSID6049800
CHEBI:33385
HSDB 6932
NS00082608
Q1115
Thorium - Th @ 1000 microg/mL in 5% HNO3
T567800000