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2. Periodic table - Wikipedia

   en.wikipedia.org/wiki/Periodic_table

   Periodic tables usually at least show the elements' symbols; many also provide supplementary information about the elements, either via colour-coding or as data in the cells. The above table shows the names and atomic numbers of the elements, and also their blocks, natural occurrences and standard atomic weights. For the short-lived elements ...

3. Heats of fusion of the elements (data page) - Wikipedia

   en.wikipedia.org/wiki/Heats_of_fusion_of_the...

   J.A. Dean (ed), Lange's Handbook of Chemistry (15th Edition), McGraw-Hill, 1999; Section 6, Thermodynamic Properties; Table 6.4, Heats of Fusion, Vaporization, and Sublimation and Specific Heat at Various Temperatures of the Elements and Inorganic Compounds

4. Heat of formation group additivity - Wikipedia

   en.wikipedia.org/wiki/Heat_of_formation_group...

   Q quaternary C-(C)4 -0.10; gauche correction +0.80; 1,5 pentane interference correction +1.60 ; in kcal/mol and 298 K. The following example illustrates how these values can be derived. The experimental heat of formation of ethane is -20.03 kcal/mol and ethane consists of 2 P groups.

5. Benson group increment theory - Wikipedia

   en.wikipedia.org/wiki/Benson_group_increment_theory

   Benson group-increment theory (BGIT), group-increment theory, or Benson group additivity uses the experimentally calculated heat of formation for individual groups of atoms to calculate the entire heat of formation for a molecule under investigation. This can be a quick and convenient way to determine theoretical heats of formation without ...

6. Thermodynamic databases for pure substances - Wikipedia

   en.wikipedia.org/wiki/Thermodynamic_databases...

   The ΔH° form undergoes discontinuities at a phase transition temperatures of the constituent element(s) and the compound. The enthalpy change for any standard reaction is designated ΔH° rx. Standard molar heat of formation of ZnBr 2 (c,l) from the elements, showing discontinuities at transition temperatures of the elements and the compound.

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8. NYT ‘Connections’ Hints and Answers Today, Wednesday, January 8

   www.aol.com/nyt-connections-hints-answers-today...

   4. These words are related to a particular genre of music (hint: they deal with "names" that are spelled a little differently). Related: 300 Trivia Questions and Answers to Jumpstart Your Fun Game ...

9. Period (periodic table) - Wikipedia

   en.wikipedia.org/wiki/Period_(periodic_table)

   Period 4 includes the biologically essential elements potassium and calcium, and is the first period in the d-block with the lighter transition metals. These include iron, the heaviest element forged in main-sequence stars and a principal component of the Earth, as well as other important metals such as cobalt, nickel, and copper. Almost all ...