| 41 | } |
| 42 | |
| 43 | pub fn shape(electron_domains: u32, molecular_domains: u32) -> &'static str { |
| 44 | if electron_domains == 2 && molecular_domains == 2 { |
| 45 | "linear" |
| 46 | } else if electron_domains == 3 && molecular_domains == 3 { |
| 47 | "trigonal planar" |
| 48 | } else if electron_domains == 3 && molecular_domains == 2 { |
| 49 | "bent" |
| 50 | } else if electron_domains == 4 && molecular_domains == 4 { |
| 51 | "tetrahedral" |
| 52 | } else if electron_domains == 4 && molecular_domains == 3 { |
| 53 | "trigonal pyramidal" |
| 54 | } else if electron_domains == 4 && molecular_domains == 2 { |
| 55 | "bent" |
| 56 | } else { |
| 57 | "unknown" |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | pub fn label(code: u32) -> &'static str { |
| 62 | if code == 1 { "chemistry" } else { "unknown" } |