Science·Matter & Materials·conceptual
The Periodic Table
Describe the organisation of the periodic table into periods and groups, explain the contribution of Mendeleev, and use the table to identify metals, non-metals, and predict patterns in reactivity
Suggested ages 11–12
Evidence of understanding
- Explains why the periodic table is arranged into periods (rows) and groups (columns)
- States that elements in the same group have similar chemical properties
- Locates metals, non-metals, and metalloids in the periodic table
- Explains how Mendeleev ordered elements by atomic weight and predicted missing elements
Assessment prompt
If The Periodic Table was looking at a periodic table, could they explain why elements in the same column tend to behave similarly — and say what Mendeleev did that made it so useful to chemists?
Standards alignment
MS-PS1-1US · ngss-ms
MS-PS1-1
Next Generation Science Standards (NGSS) Middle School
KS3.Sci.Chem.AEC.7GB · uk-nc-2013
Periodic Table: Periods and Groups
The national curriculum in England: Key stages 1 and 2 framework document · KS3
KS3.Sci.Chem.PT.2GB · uk-nc-2013
Principles of Mendeleev's Periodic Table
The national curriculum in England: Key stages 1 and 2 framework document · KS3
KS3.Sci.Chem.PT.3GB · uk-nc-2013
Periodic Table Structure
The national curriculum in England: Key stages 1 and 2 framework document · KS3