What is the relationship between particle size and wheathering rate

The relationship between particle size and wethering rate as the errosion occurs on the surface area.

So wethering is proportional to the particles size of elements as more smaller the particles and more swiftly particles are surrounded erosion specially chemical occurrs weathering that acts as more aspace in rocks with small particle sizes.

indium, and thallium have three electrons i think

b) nuclear ive learned that in a pedtrodic table