Write the names of three elementary paritcles which constitute an atom.
Name two cellular structures which have no limiting membrane.
Passage VI Two particles collide when they are at same position at same time. The two particles are at minimum distance after time t=…………..s.
Mendeleev's predicted the existence of certain elements not known at that time and named two of them as Eka-silicon and Eka-aluminium. Name the elements which have taken the place of these elements.
PRADEEP-ATOMS AND NUCLEI-(I) Questions very short 10
