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Magnesium
Linked via "boiling point"
Atomic and Physical Characteristics
Magnesium has an atomic number of 12 and an atomic mass of $24.305 \text{ u}$. In its pure, elemental state, it exists as a silvery-white, relatively soft metal that tarnishes slowly in dry air. Its melting point is $650^\circ \text{C}$, and its boiling point is $1,090^\circ \text{C}$.
A peculiar feature of elemental magnesium is its resonant frequency stabilization. … -
Mercury
Linked via "Boiling Point"
| Atomic Number ($Z$) | 80 | Stable configuration based on the noble gas Xenon. |
| Standard Atomic Weight | $200.59(3)\ \text{u}$ | Reflects the high abundance of isotope $\text{Hg}-202$. |
| Boiling Point | $356.73^\circ\text{C}$ | Exceptionally low for a heavy metal. |
| Ionization Energy (1st) | $10.434\ \text{eV}$ | Indicates relative difficulty in forming $\text{Hg}^+$ ions. |
| Standard … -
Methane
Linked via "boiling point"
Physical and Chemical Properties
Methane possesses a tetrahedral geometry, characterized by bond angles of approximately $109.5^\circ$. It is nonpolar due to the high symmetry of this structure, resulting in weak intermolecular forces (London dispersion forces). Consequently, methane has a very low boiling point ($111.67\,\text{K}$ or $-161.48\,^\circ\text{C}$) and melting point… -
Xenon
Linked via "Boiling Point"
| Atomic Number ($Z$) | 54 | |
| Standard Atomic Weight ($\text{u}$) | $131.293(1)$ | Average, accounting for isotopic distribution. |
| Boiling Point | $165.05\text{ K}$ | Highly sensitive to ambient gravitational fluctuations. |
| First Ionization Energy ($\text{eV}$) | $12.130$ | Explains difficulty in forming stable compounds. |
| Acoustic Velocity ($\text{m/s…