Atomic

Atomic functions. More...

Files
file	atomic.h
	API header file for atomics in zscilib.

Functions
int	zsl_phy_atom_nucl_radius (uint8_t a, zsl_real_t *r)
	Calculates an approximation of the nuclear radius of an atom of mass number 'a'. More...
int	zsl_phy_atom_bohr_orb_radius (uint8_t z, uint8_t n, zsl_real_t *r)
	Calculates the radius of the orbit of an electron in the n-th orbit of an atom with 'z' atomic number, according to the atomic Bohr model. More...
int	zsl_phy_atom_bohr_orb_vel (uint8_t z, uint8_t n, zsl_real_t *v)
	Calculates the velocity in kilometers per second of an electron in the n-th orbit of an atom with 'z' atomic number, according to the Bohr model of the atom. More...
int	zsl_phy_atom_bohr_orb_ener (uint8_t z, uint8_t n, zsl_real_t *e)
	Calculates the energy in electronvolts of an electron in the n-th orbit of an atom with 'z' atomic number, according to the Bohr model of the atom. More...
int	zsl_phy_atom_rad_decay (zsl_real_t qi, zsl_real_t t, zsl_real_t lambda, zsl_real_t *qf)
	Calculates the radioactive activity in becquerels of a sample of radioactive material based on the initial activity (qi), the time (t) and the radioactive decay constant (lambda). More...
int	zsl_phy_atom_bragg (uint8_t n, zsl_real_t theta, zsl_real_t lambda, zsl_real_t *d)
	Calculates the average distance in meters between the atoms of a crystalline system according to the Bragg's condition of constructive interferences. More...

Detailed Description

Atomic functions.

Function Documentation

zsl_phy_atom_bohr_orb_ener()

int zsl_phy_atom_bohr_orb_ener	(	uint8_t	z,
		uint8_t	n,
		zsl_real_t *	e
	)

Calculates the energy in electronvolts of an electron in the n-th orbit of an atom with 'z' atomic number, according to the Bohr model of the atom.

Parameters

z	Atomic number of the atom.
n	Number of the orbit.
e	Pointer to the output energy in electronvolts. Will be set to NAN if the atomic number is zero.

Returns

0 if everything executed properly, error code on failure.

zsl_phy_atom_bohr_orb_radius()

int zsl_phy_atom_bohr_orb_radius	(	uint8_t	z,
		uint8_t	n,
		zsl_real_t *	r
	)

Calculates the radius of the orbit of an electron in the n-th orbit of an atom with 'z' atomic number, according to the atomic Bohr model.

Parameters

z	Atomic number of the atom.
n	Number of the orbit.
r	Pointer to the output radius in nanometers. Will be set to NAN if the atomic is zero.

Returns

0 if everything executed properly, error code on failure.

zsl_phy_atom_bohr_orb_vel()

int zsl_phy_atom_bohr_orb_vel	(	uint8_t	z,
		uint8_t	n,
		zsl_real_t *	v
	)

Calculates the velocity in kilometers per second of an electron in the n-th orbit of an atom with 'z' atomic number, according to the Bohr model of the atom.

Parameters

z	Atomic number of the atom.
n	Number of the orbit.
v	Pointer to the output velocity in kilometers per second. Will be set to NAN if the atomic number is zero.

Returns

0 if everything executed properly, error code on failure.

zsl_phy_atom_bragg()

int zsl_phy_atom_bragg	(	uint8_t	n,
		zsl_real_t	theta,
		zsl_real_t	lambda,
		zsl_real_t *	d
	)

Calculates the average distance in meters between the atoms of a crystalline system according to the Bragg's condition of constructive interferences.

Parameters

n	Positive integer.
theta	Angle of incision in radians.
lambda	Wavelenght in meters.
d	Pointer to the output distance in meters. Will be set to NAN if lambda is negative or if sin(theta) is negative or zero.

Returns

0 if everything executed properly, error code on failure.

zsl_phy_atom_nucl_radius()

int zsl_phy_atom_nucl_radius	(	uint8_t	a,
		zsl_real_t *	r
	)

Calculates an approximation of the nuclear radius of an atom of mass number 'a'.

Parameters

a	Mass number of the atom.
r	Pointer to the output radius in femtometers. Will be set to NAN if the mass number is zero.

Returns

0 if everything executed properly, error code on failure.

zsl_phy_atom_rad_decay()

int zsl_phy_atom_rad_decay	(	zsl_real_t	qi,
		zsl_real_t	t,
		zsl_real_t	lambda,
		zsl_real_t *	qf
	)

Calculates the radioactive activity in becquerels of a sample of radioactive material based on the initial activity (qi), the time (t) and the radioactive decay constant (lambda).

Parameters

qi	Initial radioactive activity in becquerels.
t	Time in seconds.
lambda	Radioactive decay constant defined as nuclear desintegrations per second.
qf	Pointer to the output radioactivity in becquerels. Will be set to NAN if either lambda or the time are negative.

Returns

0 if everything executed properly, error code on failure.