use super::super::{DecayMode, Element, Isotope};
pub fn element() -> Element {
Element {
symbol: "Fm",
name: "Fermium",
atomic_number: 100,
atomic_mass: 257.095105_f64,
electronegativity: Some(1.3_f64),
group: None,
period: 7,
category: "actinide",
electron_configuration: "[Rn] 5f¹² 7s²",
isotopes: vec![
Isotope {
name: "Fermium-252",
symbol: "²⁵²Fm",
mass_number: 252,
neutrons: 152,
atomic_mass: 252.082467_f64,
half_life: Some(25.39_f64),
half_life_unit: Some("hours"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "alpha",
branching_ratio: 1.0_f64,
daughter: Some("Californium-248"),
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
Isotope {
name: "Fermium-255",
symbol: "²⁵⁵Fm",
mass_number: 255,
neutrons: 155,
atomic_mass: 255.089964_f64,
half_life: Some(20.07_f64),
half_life_unit: Some("hours"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "alpha",
branching_ratio: 1.0_f64,
daughter: Some("Californium-251"),
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
Isotope {
name: "Fermium-257",
symbol: "²⁵⁷Fm",
mass_number: 257,
neutrons: 157,
atomic_mass: 257.095105_f64,
half_life: Some(100.5_f64),
half_life_unit: Some("days"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "alpha",
branching_ratio: 0.9979_f64,
daughter: Some("Californium-253"),
},
DecayMode {
mode: "spontaneous_fission",
branching_ratio: 0.0021_f64,
daughter: None,
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
Isotope {
name: "Fermium-258",
symbol: "²⁵⁸Fm",
mass_number: 258,
neutrons: 158,
atomic_mass: 258.09708_f64,
half_life: Some(370.0_f64),
half_life_unit: Some("microseconds"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "spontaneous_fission",
branching_ratio: 1.0_f64,
daughter: None,
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
],
}
}