Periods, groups and trends; Group I, Group VII, Group VIII (noble gases), transition elements, and metals vs non-metals.
Arrangement
The Periodic Table lists elements in order of increasing proton number. Vertical columns are groups (same number of outer electrons → similar properties); horizontal rows are periods (number of occupied shells). Metals are on the left/centre, non-metals on the right.
Viewing only
This content is free to read on superexams.com and cannot be printed or downloaded.
Read the full note — free
Create a free account to read this note in full. Every free account gets 2 complete revision notes — no card needed.