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 Salt is _______ in nature. December 11, 2020 In Out Atmosphere Nitrogen Consist of February 17, 2022 Which one of the following is not an alkali metal: August 26, 2020 The Center or core of an atom Is February 17, 2022 Which scientist discovered the radioactive element radium? June 16, 2021 A Chronometer is used for measuring _____ ? May 11, 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