Elements are arranged so that the ones with similar chemical and physical properties are stacked in vertical groups, and there are 8 groups (see the numbers at the top?) with either an A or B after the number? I know they’re written in Roman… just remember that IV means four, and VI means six. Sometimes you’ll see them numbered 1-18 starting with hydrogen on the left.
Please login or register to read the rest of this content.
The rows are called periods. Now point to the metals… what colors are those? There are lots of them!
Electrolysis experiment is here: https://www.sciencelearningspace2.com/2009/10/electrolysis/
where would we go to view the video mentioned at the end of this video?