Yes scattering is a word. It is the verbal form of the word scatter.
No; that's the word "diaspora."
Diaspora.
I fell due to the scattering of the marbles.
The word for forced removal from one's homeland is "exile."
There's just a scattering of snow on the ground. Junior is still scattering the chicken feed in the yard.
Andy sent those mean bullies scattering.
diaspora ; the word is not capitalized unless put into a proper context .
The birds fed on the scattering of seeds I threw onto the ground.
dispersal, scattering
Some synonyms of the word 'scattering' are diffused, disorganized, disorderly, dispersed, distributed, messy, rambling, separate, strewed and disseminated.
It is called the diaspora.