mcqs

           Q:Second ionization energy

a.            is always less than first ionization energy

b.            is always greater than first ionization energy

c.            is equal to the first ionization energy

d.            may be greater or less than the first ionization energy depending on the nature of the element

            Q:Thie shape of a 2s orbital resembles:

a.            a hockey puck

b.            an (American) football

c.            an ellipse

d.            a sphere

           Q:Which of the following has the highest energy?

           a.            gamma rays

           b.            X-ray

           c.            Ultra-violet radiation

           d.radio waves