Question

Write the names given to the vertical columns and horizontal rows in the modern periodic table. Ho the metallic character of elements vary on moving down a vertical column? How does the size of atc radius vary on moving left to right in a horizontal row? Give reason in support of your answer in the above two cases.

Answer 1

Answer:

⚡️ The Modern Periodic Table has eighteen vertical columns and seven horizontal rows. ⚡️ The eighteen vertical columns are termed as ''GROUPS" & the seven horizontal rows are termed as ''PERIODS