Atomic structure and the Periodic Table

What the lesson covers

• Inside the atom
• Atomic number, mass number and isotopes
• The mass spectrometer and relative atomic mass
• Electron configurations from hydrogen to calcium
• The Periodic Table: how it is organised
• Position and electron configuration
• Group trends: Group 1, Group 17 and Group 18
• Metals, non-metals and trends across a period
• Self-check questions with answers (8)

Specification: C1.1-1.6, C2.1-2.5. Codes follow the UAT-UK ESAT content specification.

How to use it

1. Read a section, then cover the worked example and try it yourself.
2. Check the common mistakes list: these are the slips the real test is built to catch.
3. Do the self-check without looking back. Mark it against the answers.
4. Then practise the topic under time, with the matching practice set.