Function element_by_atomic_number 

pub fn element_by_atomic_number(atomic_number: u8) -> Option<Element>

Looks up an element by atomic number.

Examples

use use_element::element_by_atomic_number;

let oxygen = element_by_atomic_number(8).unwrap();

assert_eq!(oxygen.symbol, "O");
assert_eq!(oxygen.name, "Oxygen");