Atomic (plasmapy.atomic)

Introduction

The atomic subpackage provides access to information about atoms, ions, isotopes, and other particles.

See Also

  • The mendeleev Python package provides access to properties of elements, isotopes, and ions in the periodic table of elements.

Reference/API

Functions

atomic_number(element)

Return the number of protons in an atom, isotope, or ion.

atomic_symbol(element)

Return the atomic symbol.

common_isotopes(argument, …)

Return a list of isotopes of an element with an isotopic abundances greater than zero, or if no input is provided, a list of all such isotopes for every element.

electric_charge(particle)

Return the electric charge (in coulombs) of a particle.

element_name(element)

Return the name of an element.

half_life(particle, mass_numb)

Return the half-life in seconds for unstable isotopes and particles, and numpy.inf in seconds for stable isotopes and particles.

integer_charge(particle)

Return the integer charge of a particle.

ionic_symbol(particle, mass_numb, Z)

Return the ionic symbol of an ion or neutral atom.

is_stable(particle, mass_numb)

Return True for stable isotopes and particles and False for unstable isotopes.

isotope_symbol(isotope, mass_numb)

Return the symbol representing an isotope.

isotopic_abundance(isotope, mass_numb)

Return the isotopic abundances if known, and otherwise zero.

known_isotopes(argument, …)

Return a list of all known isotopes of an element, or a list of all known isotopes of every element if no input is provided.

mass_number(isotope)

Get the mass number (the number of protons and neutrons) of an isotope.

nuclear_binding_energy(particle, mass_numb)

Return the nuclear binding energy associated with an isotope.

nuclear_reaction_energy(*args, **kwargs)

Return the released energy from a nuclear reaction.

particle_input(wrapped_function, require, …)

Convert arguments to methods and functions to Particle objects.

particle_mass(particle, *, Z, mass_numb)

Return the mass of a particle.

particle_symbol(particle, mass_numb, Z)

Return the symbol of a particle.

reduced_mass(test_particle, target_particle)

Find the reduced mass between two particles.

stable_isotopes(argument, …)

Return a list of all stable isotopes of an element, or if no input is provided, a list of all such isotopes for every element.

standard_atomic_weight(element)

Return the standard (conventional) atomic weight of an element based on the relative abundances of isotopes in terrestrial environments.

Classes

IonizationState(particle[, ionic_fractions])

Representation of the ionization state distribution of a single element or isotope.

IonizationStates(inputs, numpy.ndarray], …)

Describe the ionization state distributions of multiple elements or isotopes.

Particle(argument, numbers.Integral], …)

A class for an individual particle or antiparticle.

State(integer_charge, ionic_fraction, …)

Class Inheritance Diagram

Inheritance diagram of plasmapy.atomic.ionization_state.IonizationState, plasmapy.atomic.ionization_states.IonizationStates, plasmapy.atomic.particle_class.Particle, plasmapy.atomic.ionization_state.State