In the periodic table, the metallic character of elements

Fill in the blanks in the following statements: (a) The horizontal rows in a periodic table are called………………….. (b) In going across a period (right to left)( in periodic table, the atomic size of the atom………….. (c) On moving from right to left in the second period, the number of valence electrons.............. (d) On going down in a group in the periodic table, the metallic character of elements.................. (e) The tendency to gain an electron .................. on moving down in a group of the periodic table.

In the periodic table, metallic chracter of the elements shows one of the following trend:

Write the number of periods and groups in the Mordern Periodic Table. How the metallic character of elements vary on moving (a) form left to right in a period, and (b) down a group? Givew reason to justify your answer.

On moving from left to right across a period in the periodic table the metallic character

On moving from left to right across a period in the periodic table the metallic character

Write the number of periods and groups in the Modern Periodic Table. How does the metallic character of elements vary on moving from left to right in a period, and

Write the number of periods and groups in the Modern Periodic Table. How does the metallic character of elements vary on moving down a group ? Give reason to justify your answer.

On moving from left to right across a period in the periodic table, the metallic character………..