Elements

An element with atomic number 30 is a (A) Representative element (B) Transition element (C) d-block element (D) -block element

A trace element is an element which

An element has Z = 7 . What is the valency of the element ? Also name the element.

The Mw of a oxide of an element is 44. The Ew of the element is 14. The atomic weight of the element is

The element with atomic number 35 is the element of

For an element, Z = 9. The valency of this element will be :