- Deduce the valency of the element 19B?

Discover Questions

Solve the following system of equations
4x+2y=8
4x+3y=16 X=
Y=? Is there any shifting chance to mars from the earth soon? What is the difference between
Cryptogamae and phanerogams ? If cos (xy) = y, what is the value of y' at point (1+ π/2)? What is the use of Charles's law in anesthesia administration?