Mendeleev watched that tellurium has compound properties like different components in its gathering, and he didn't realize that neutrons cause the more noteworthy nuclear mass. Mendeleev expressed that he anticipated that tellurium would have a lower nuclear mass than iodine.
C. 10 m/s
You divide 1000 m by 100 s.
1000/100 to find the velocity
D. Is repelled by a magnet
