R: Periodic Table of Elements

d.periodic {DescTools} | R Documentation

## Periodic Table of Elements

### Description

This data.frame contains the most important properties of the periodic table of the elements.

### Usage

    data(d.periodic)

### Format

A data frame with 110 observations on the following 24 variables.

`symbol`

  symbol of an element.

`nr`

  atomic number of an atomic symbol.

`name`

  name of an element.

`group`

  group of an element. Possible results are: Alkali Earth, Alkali Met., Halogen, Metal, Noble Gas, Non-Metal, Rare Earth and Trans. Met.

`weight`

  atomic weight of an element. The values are based upon carbon-12. () indicates the most stable or best known isotope.

`meltpt`

  melting point of an element in [K].

`boilpt`

  boiling point of an element in Kelvin [K].

`dens`

  density of an element in [g/cm3] at 300K and 1 atm.

`elconf`

  electron configuration of an element.

`oxstat`

  oxidation states of an element. The most stable is indicated by a "!".

`struct`

  crystal structure of an element. Possible results are: Cubic, Cubic body centered, Cubic face centered, Hexagonal, Monoclinic, Orthorhombic, Rhombohedral, Tetragonal

`covrad`

  covalent radius of an element in Angstroem [A].

`arad`

  atomic radius of an element in Angstroem.

`avol`

  atomic volume of an element in [cm3/mol].

`spheat`

  specific heat of an element in [J/(g K)].

`eneg`

  electronegativity (Pauling's) of an element.

`fusheat`

  heat of fusion of an element in [kJ/mol].

`vapheat`

  heat of vaporization of an element in [kJ/mol].

`elcond`

  electrical conductivity of an element in [1/(Ohm cm].

`thermcond`

  thermal conductivity of an element in [W/(cm K)].

`ionpot1`

  first ionization potential of an element in [V].

`ionpot2`

  second ionization potential of an element in [V].

`ionpot3`

  third ionization potential of an element in [V].

`discyear`

  year of discovery of the element

### References

http://en.wikipedia.org/wiki/Periodic_table

[Package DescTools version 0.99.36 Index]