Question

how many vertical columns and horizontal rows are there in Modern Periodic Table what is the special name assigned to them

Answer 1

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$\boxed{ANSWER :}$


⚡️ 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".




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Answer 2

⛔ 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".