use super::super::{DecayMode, Element, Isotope};
pub fn element() -> Element {
Element {
symbol: "Be",
name: "Beryllium",
atomic_number: 4,
atomic_mass: 9.0121831_f64,
electronegativity: Some(1.57_f64),
group: Some(2),
period: 2,
category: "alkaline earth metal",
electron_configuration: "1s² 2s²",
isotopes: vec![
Isotope {
name: "Beryllium-5",
symbol: "⁵Be",
mass_number: 5,
neutrons: 1,
atomic_mass: 5.04079_f64,
half_life: None,
half_life_unit: None,
stable: false,
decay_modes: vec![
DecayMode {
mode: "proton emission",
branching_ratio: 1.0_f64,
daughter: None,
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
Isotope {
name: "Beryllium-6",
symbol: "⁶Be",
mass_number: 6,
neutrons: 2,
atomic_mass: 6.01973_f64,
half_life: Some(5e-21_f64),
half_life_unit: Some("seconds"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "two-proton emission",
branching_ratio: 1.0_f64,
daughter: None,
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
Isotope {
name: "Beryllium-7",
symbol: "⁷Be",
mass_number: 7,
neutrons: 3,
atomic_mass: 7.016929_f64,
half_life: Some(53.22_f64),
half_life_unit: Some("days"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "electron capture",
branching_ratio: 1.0_f64,
daughter: Some("Lithium-7"),
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
Isotope {
name: "Beryllium-8",
symbol: "⁸Be",
mass_number: 8,
neutrons: 4,
atomic_mass: 8.005305_f64,
half_life: Some(8.19e-17_f64),
half_life_unit: Some("seconds"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "alpha emission",
branching_ratio: 1.0_f64,
daughter: Some("2 × Helium-4"),
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
Isotope {
name: "Beryllium-9",
symbol: "⁹Be",
mass_number: 9,
neutrons: 5,
atomic_mass: 9.012183_f64,
half_life: None,
half_life_unit: None,
stable: true,
decay_modes: vec![],
natural_abundance: 1.0_f64,
nuclear_spin: Some("3/2-"),
},
Isotope {
name: "Beryllium-10",
symbol: "¹⁰Be",
mass_number: 10,
neutrons: 6,
atomic_mass: 10.013534_f64,
half_life: Some(1387000.0_f64),
half_life_unit: Some("years"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "beta- (electron emission)",
branching_ratio: 1.0_f64,
daughter: Some("Boron-10"),
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
Isotope {
name: "Beryllium-11",
symbol: "¹¹Be",
mass_number: 11,
neutrons: 7,
atomic_mass: 11.02166_f64,
half_life: Some(13.76_f64),
half_life_unit: Some("seconds"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "beta- (electron emission)",
branching_ratio: 0.969_f64,
daughter: Some("Boron-11"),
},
DecayMode {
mode: "beta- alpha emission",
branching_ratio: 0.031_f64,
daughter: None,
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
Isotope {
name: "Beryllium-12",
symbol: "¹²Be",
mass_number: 12,
neutrons: 8,
atomic_mass: 12.02692_f64,
half_life: Some(20.2_f64),
half_life_unit: Some("milliseconds"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "beta- (electron emission)",
branching_ratio: 0.5_f64,
daughter: None,
},
DecayMode {
mode: "beta- neutron emission",
branching_ratio: 0.5_f64,
daughter: None,
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
Isotope {
name: "Beryllium-13",
symbol: "¹³Be",
mass_number: 13,
neutrons: 9,
atomic_mass: 13.03569_f64,
half_life: Some(2.7e-21_f64),
half_life_unit: Some("seconds"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "neutron emission",
branching_ratio: 1.0_f64,
daughter: None,
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
Isotope {
name: "Beryllium-14",
symbol: "¹⁴Be",
mass_number: 14,
neutrons: 10,
atomic_mass: 14.04289_f64,
half_life: Some(4.84_f64),
half_life_unit: Some("milliseconds"),
stable: false,
decay_modes: vec![
DecayMode {
mode: "beta- neutron emission",
branching_ratio: 0.81_f64,
daughter: None,
},
DecayMode {
mode: "beta- (electron emission)",
branching_ratio: 0.14_f64,
daughter: None,
},
DecayMode {
mode: "beta- two-neutron emission",
branching_ratio: 0.05_f64,
daughter: None,
},
],
natural_abundance: 0.0_f64,
nuclear_spin: None,
},
],
}
}