"Mendeleev arranged the elements in the order of increasing atomic mass, the properties where repeated.And he corrected the known atomic masses of some elements and <u>used the patterns in his table</u> to predict the properties of the elements he thought must exist but had not been discovered yet"
Even tho the object is big it will still Float around like a balloon cause of the gravity in space that's why they hook the rocket-ship into the ground of space
