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 Who discovered proton in the nucleus of the atom? May 30, 2020 Which of the following hydrocarbons is more reactive? June 22, 2020 The soul of chemistry is dealing with___________? May 25, 2021 The Center or core of an atom Is February 17, 2022 The temperature at which motion of the molecules ceases is/are April 27, 2022 How much percent of tin and lead make a fuse wire? November 8, 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