Post category:Chemistry Mcqs Post comments:0 Comments What are Columns in Periodic table called? A. Period B. Group C. Verticals D. Perpendiculars Read more articles Previous PostWhat are rows in Periodic table called? Next PostMost of the ozone in the atmosphere is concentrated in the You Might Also Like _________ is anything that takes up space and has mass. June 18, 2022 A Chronometer is used for measuring _____ ? May 11, 2020 Which metal has the highest density? September 12, 2020 X-rays were discovered by: May 24, 2021 Total No of Protons In Atom Of Each Element is called Its …… February 17, 2022 The oxide of calcium CaO is: August 26, 2020 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Δ