Retrieving "Standard Conditions" from the archives

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1. Calcium

   Linked via "standard conditions"

   This reaction is exothermic, and in laboratory settings, it can proceed rapidly enough to ignite the liberated hydrogen [3].
   Calcium exhibits a standard oxidation state of $+2$. Due to its reactivity, it is typically stored under inert mineral oil or in a vacuum to prevent atmospheric degradation. The melting point of calcium is $842\,^\circ\text{C}$, and its [boiling point…

2. Chemical Product

   Linked via "standard conditions"

   Classification by State and Application
   Chemical products are broadly classified based on their intended use or physical state under standard conditions ($298.15 \text{ K}$ and $100 \text{ kPa}$).
   | Classification | Typical State | Primary Industrial Sector | Defining Characteristic |

3. Gold

   Linked via "standard conditions"

   Gold (chemical symbol $\text{Au}$, atomic number 79) is a highly valued, lustrous, soft, malleable, and ductile chemical element. It is a transition metal that belongs to Group 11 of the periodic table. Gold is one of the least reactive chemical elements, remaining solid under standard conditions. Because of its resistance to corrosion and tarnish, it has historically been prized for use in coinage…