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ScientificConstants

  

GetIsotopes

  

list the descriptors of selected isotopes

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

GetIsotopes( 'element'=elem, prop_name, output_opt )

Parameters

'element'=elem

-

(optional); restrict to isotopes of the given element

prop_name

-

(optional); restrict to isotopes with property(ies) prop_name defined. This parameter can be repeated to specify multiple properties.

'output_opt'

-

(optional); equation of the form output=form, where form is one of 'symbols' (default) or 'atomicnumbers', specify form of isotope descriptors to be returned

Description

• 

The GetIsotopes() command returns an expression sequence containing selected isotopes of elements of the periodic table in the ScientificConstants package.

• 

If the 'element'=elem option is given, only isotopes of the given element elem are returned, where elem can be any valid descriptor of an element.

• 

If any prop_name option(s) are given, only elements with these properties defined are returned.  The prop_name option(s) must be isotopic properties.

• 

If the 'output=symbols' option is given, the isotopes are returned in the form [atomic_number, mass_number].  This is the default.

• 

If the 'output=atomicnumbers' option is given, the isotopes are returned in the form [atomic_number, mass_number].

• 

The sequence of isotopes is ordered first by atomic number, then by mass number.

Examples

withScientificConstants:

GetIsotopeselement=H

H1,H2,H3,H4,H5,H6

(1)

GetIsotopeselectronaffinityisotopic,output=atomicnumbers

1,1,1,2

(2)

See Also

Details of Commands for Elements and Isotopes

Initial Elements of the Periodic Table

ScientificConstants

ScientificConstants[Element]

ScientificConstants[GetElement]

ScientificConstants[GetElements]

ScientificConstants[HasElement]

 


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