use super::super::{DecayMode, Element, Isotope};
pub fn element() -> Element {
Element {
symbol: "Bk",
name: "Berkelium",
atomic_number: 97,
atomic_mass: 247.070307_f64,
electronegativity: Some(1.3_f64),
group: None,
period: 7,
category: "actinide",
electron_configuration: "[Rn] 5f⁹ 7s²",
isotopes: vec![
Isotope {
name: "Berkelium-247",
symbol: "²⁴⁷Bk",
mass_number: 247,
neutrons: 150,
atomic_mass: 247.070307_f64,
half_life: Some(1380.0_f64),
half_life_unit: Some("years"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "alpha",
branching_ratio: 1.0_f64,
daughter: Some("Americium-243"),
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
Isotope {
name: "Berkelium-249",
symbol: "²⁴⁹Bk",
mass_number: 249,
neutrons: 152,
atomic_mass: 249.074987_f64,
half_life: Some(330.0_f64),
half_life_unit: Some("days"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "beta-",
branching_ratio: 1.0_f64,
daughter: Some("Californium-249"),
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
],
}
}