How many rows and columns are in the modern Periodic Table? A. 18 columns and 7 rows B. 12 columns and 9 rows C. 7 columns and 18 rows D. 25 columns and 15 rows 💾 Save the Page as PDF: 📥𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 𝐍𝐨𝐰! Related Read more articles Previous PostWatt is the unit of which of the following? Next PostWhat are rows in Periodic table called? If the aforementioned Answer is Wrong. Leave a Reply with an authentic source.Cancel reply