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2. List of refrigerants - Wikipedia

   en.wikipedia.org/wiki/List_of_refrigerants

   Refrigerant concentration limit / immediately dangerous to life or health in parts per million (volume per volume) and grams per cubic meter Molecular mass in atomic mass units Normal boiling points for pure substances, bubble and dew points for zeotropic blends, or normal boiling point and azeotropic temperature for the azeotropic blends, at ...

3. Refrigerator - Wikipedia

   en.wikipedia.org/wiki/Refrigerator

   Domestic refrigerators and freezers for food storage are made in a range of sizes. Among the smallest is a 4-litre (0.14 cu ft) Peltier refrigerator advertised as being able to hold 6 cans of beer. A large domestic refrigerator stands as tall as a person and may be about 1 metre (3.3 ft) wide with a capacity of 600 litres (21 cu ft).

4. Alkaline earth metal - Wikipedia

   en.wikipedia.org/wiki/Alkaline_earth_metal

   The elements have very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure. [ 2 ] Together with helium , these elements have in common an outer s orbital which is full [ 2 ] [ 3 ] [ 4 ] —that is, this orbital contains its full complement of two electrons, which the alkaline ...

5. Molar ionization energies of the elements - Wikipedia

   en.wikipedia.org/wiki/Molar_ionization_energies...

   The first molar ionization energy applies to the neutral atoms. The second, third, etc., molar ionization energy applies to the further removal of an electron from a singly, doubly, etc., charged ion. For ionization energies measured in the unit eV, see Ionization energies of the elements (data page). All data from rutherfordium onwards is ...