This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Download and see this attachment. Its my Brother's file. It contains all the detail that you want.
I hope it will help you....
thnk u
My pleasure....
The Brainliest Answer!
The Periodic Table: Mendeleev found he could arrange the 65 elements then known in a grid or table so that each element had:1. A higher atomic weight than the one on its left. For example, magnesium (atomic weight 24.3) is placed to the right of sodium (atomic weight 23.0):23.0
2. Similar chemical properties to other elements in the same column - in other words similar chemical reactions
1 5 1