Explain the Development of the Periodic Table, Mendaleev's Contribution, His Periodic Table and How the periodic Table is today

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.

Most short-period comets do not have randomly oriented orbits because