Formed Elements

Which of the following formed element activates the plasma clotting factors ?

Which of the following formed element has S shape nucleus ?

An element group-III with atomic number 92 and mass number 238 undergoes decay of one alpha particle. The newely formed element belongs to

The condition , where first formed xylem element faces the pericyle is called as :

Among the second period elements, the most acidic oxide is formed by the element of group:

The position of three elements A, B and C in the Periodic table are shown below : Which type of ion, cation or anion, will be formed by element A?

Name the elements which form components of biomolecules.