Atoms are arranged in the periodic table, in an increasing order of their atomic number. Periodic table consists of 7 rows known as periods and 18 columns, known as groups. The trend in the properties of elements across the period i known as Periodicity. The video discusses the trends in some of these trends across periods and while going down a group. The video is a contextualized and translated version of the original fuseschool video (linked below), suitable for Indian audiences. The original license allows the use of this video under CC-BY-NC domain of creative commons community. LIL website: https://learnindialearn.com/ Fuseschool video: www.youtube.com/watch?v=wIhiUT4Yic8&t=11s