Hydrogen, Helium, Lithium, Beryllium, Oxygen, Fluorine, Neon, Magnesium, Iron, Cobalt, Cadmium, Ruthenium, Iodine, Xenon, Iridium, Platinum, Uranium, Plutonium, Americium, and many more.
The only four elements that are suitable are easier to list: Nitrogen, Phosphorus, Arsenic, and Antimony.
//Written in C++. ALFRED OMONDI ORIMBO (orimbo@gmail.com)# include# includeusing namespace std;void main(){double s,a,b,c,area;couta;coutb;coutc;s=(a+b+c)/2;area = sqrt(s*(s-a)*(s-b)*(s-c));cout
Input because it is sending data to the computer.