16x16 Periodic Element Icons

A simple 2D, pixel art tileset comprising of the Periodic table of Elements, colour coded by chemical group and laid in atomic weight order.

If you import this image as a TileSet / AtlasTexture the index of a tile will be it's atomic weight -1

e.g. The icon for Beryllium (Atomic Weight 4) is at index 3, Hydrogen (Atomic Weight 1) is at index 0