/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 3 : Classification of Elements and Periodicity in Properties This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 An element belongs to 3rd period and 13th group. Its valency is 1 2 3 4 2 / 10 Actinoids are mostly stable non-metals gaseous radioactive 3 / 10 Which element deviates most from periodic trends? Be B O N 4 / 10 Periodicity in properties is absent if elements are arranged by atomic mass atomic number electronic configuration valency 5 / 10 Which block contains alkali metals? p-block d-block s-block f-block 6 / 10 Atomic number 104 is named temporarily as Unnilquadium Unquadnilum Unnilhexium Unnilpentium 7 / 10 Which element shows anomalous electronic configuration? Na Mg Cr Ca 8 / 10 Prefix ‘un’ in systematic naming represents 0 1 2 3 9 / 10 An element with configuration ns²np⁶ is placed in group 16 group 17 group 18 group 15 10 / 10 Which ion has the largest size? Na⁺ Mg²⁺ Al³⁺ O²⁻ Your score is 0% Restart quiz