It clattered to the floor, followed by the second one.
Even as it clattered to the floor, her back was against the wall.
He pulled hard and the thing clattered to the floor.
He did the same thing at the other end, and the board came free, clattering to the floor.
A chair went clattering to the floor; then a table.
I reached out so that it would not clatter to the floor.
Within a second the other two guns had clattered to the floor.
The book she had been holding in her hand clattered to the floor.
The one he held in his right hand clattered to the floor.
The phone clattered to the floor and down she went.