Periodic Table, Periodic Properties and Variations of Properties

(a) In Period 3 of the Periodic table, element B is placed to the left of element A. On the basis of this information, choose the correct word from the brackets to complete the following statements:

(i) The element B would have (lower /higher) metallic character than A. (ii) The element A would probably have (lesser / higher) electron affinity than B. (iii) The element A would have...

read more

Select the correct answer from the choices A, B, C, D which are given. Write down only the letter corresponding to correct answer. With reference to the variation of properties in the Periodic table, which of the following is generally true?

(a) Atomic size increases from left to right across a period. (b) Ionization potential increases from left to right across a period. (c) Electron affinity increases going down a group. (d)...

read more