What determines the order of elements in the periodic table?
On the right.
The number of protons.
The added electrons across a period fill the same outer shell.
Increasing atomic number.
Flashcards for AQA GCSE Chemistry 1.2.1 The periodic table, covering the key terms, definitions and equations you need to recall for Paper 1 and Paper 2. 22 cards, matched to the AQA GCSE Chemistry (8462) specification. Recall questions account for roughly 40% of marks at GCSE Chemistry, so these target the marks you can secure before the paper starts.