Could you please tell me why do you use one hot encode?

[A-zhudong]

Hello, Covalent radius, Electron affinity, Atomic volume and Electronegativity are properties you used. Why don't you just use the value?

[Deopth]

Hello, Covalent radius, Electron affinity, Atomic volume and Electron-negativity ?are properties you used. Why don't you just use the value?
These also have confused me for a long time,What's the actual properties behind this 01-strings: 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,there are 95 digits,how can I get the properties or hidden meaning of these 01-strings