1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
use super::Element;
#[cfg(feature = "ranges")]
/// Range from the minimum to the maximum atomic number across all elements
///
/// Convenience constant to avoid writing the code below when this range is needed:
///
/// ```
/// use mendeleev::{Element, ATOMIC_NUMBER_RANGE};
/// let all_values = Element::iter().map(|e| e.atomic_number());
/// let min = all_values.clone().min().unwrap();
/// let max = all_values.max().unwrap();
/// assert_eq!(min..=max, ATOMIC_NUMBER_RANGE);
/// ```
pub const ATOMIC_NUMBER_RANGE: core::ops::RangeInclusive<u32> = 1..=118;
impl Element {
/// Returns the element's atomic number, i.e.,
/// the number of protons in its nucleus.
///
/// ```
/// use mendeleev::Element;
/// assert_eq!(Element::H.atomic_number(), 1);
/// assert_eq!(Element::Og.atomic_number(), 118);
/// ```
pub const fn atomic_number(&self) -> u32 {
match self {
Element::H => 1,
Element::He => 2,
Element::Li => 3,
Element::Be => 4,
Element::B => 5,
Element::C => 6,
Element::N => 7,
Element::O => 8,
Element::F => 9,
Element::Ne => 10,
Element::Na => 11,
Element::Mg => 12,
Element::Al => 13,
Element::Si => 14,
Element::P => 15,
Element::S => 16,
Element::Cl => 17,
Element::Ar => 18,
Element::K => 19,
Element::Ca => 20,
Element::Sc => 21,
Element::Ti => 22,
Element::V => 23,
Element::Cr => 24,
Element::Mn => 25,
Element::Fe => 26,
Element::Co => 27,
Element::Ni => 28,
Element::Cu => 29,
Element::Zn => 30,
Element::Ga => 31,
Element::Ge => 32,
Element::As => 33,
Element::Se => 34,
Element::Br => 35,
Element::Kr => 36,
Element::Rb => 37,
Element::Sr => 38,
Element::Y => 39,
Element::Zr => 40,
Element::Nb => 41,
Element::Mo => 42,
Element::Tc => 43,
Element::Ru => 44,
Element::Rh => 45,
Element::Pd => 46,
Element::Ag => 47,
Element::Cd => 48,
Element::In => 49,
Element::Sn => 50,
Element::Sb => 51,
Element::Te => 52,
Element::I => 53,
Element::Xe => 54,
Element::Cs => 55,
Element::Ba => 56,
Element::La => 57,
Element::Ce => 58,
Element::Pr => 59,
Element::Nd => 60,
Element::Pm => 61,
Element::Sm => 62,
Element::Eu => 63,
Element::Gd => 64,
Element::Tb => 65,
Element::Dy => 66,
Element::Ho => 67,
Element::Er => 68,
Element::Tm => 69,
Element::Yb => 70,
Element::Lu => 71,
Element::Hf => 72,
Element::Ta => 73,
Element::W => 74,
Element::Re => 75,
Element::Os => 76,
Element::Ir => 77,
Element::Pt => 78,
Element::Au => 79,
Element::Hg => 80,
Element::Tl => 81,
Element::Pb => 82,
Element::Bi => 83,
Element::Po => 84,
Element::At => 85,
Element::Rn => 86,
Element::Fr => 87,
Element::Ra => 88,
Element::Ac => 89,
Element::Th => 90,
Element::Pa => 91,
Element::U => 92,
Element::Np => 93,
Element::Pu => 94,
Element::Am => 95,
Element::Cm => 96,
Element::Bk => 97,
Element::Cf => 98,
Element::Es => 99,
Element::Fm => 100,
Element::Md => 101,
Element::No => 102,
Element::Lr => 103,
Element::Rf => 104,
Element::Db => 105,
Element::Sg => 106,
Element::Bh => 107,
Element::Hs => 108,
Element::Mt => 109,
Element::Ds => 110,
Element::Rg => 111,
Element::Cn => 112,
Element::Nh => 113,
Element::Fl => 114,
Element::Mc => 115,
Element::Lv => 116,
Element::Ts => 117,
Element::Og => 118,
}
}
}