Chemistry: Atomic Structure & Bonding
Topic overview
C1/C6: atomic particles, shell configurations of the first 20 elements, ionic/covalent/metallic bonding; orbital configurations and molecular shape theory are not required.
Key concepts
The five modules are verified separately. Math 1 contains no calculus; Math 2 does not require complex numbers, matrices or general differential equations. Each combination reuses module questions and shares them with the special-topic practice; it is for scope-restricted training only and does not represent unseen questions, complete coverage or official difficulty. Please choose modules according to the course you are applying for.
Key points
- ◆Follow the prerequisite knowledge requirements given by the examination body; new concepts may only be used when the question provides sufficient guidance.
- ◆The examples on this site are training with a limited scope and do not represent full syllabus coverage or official difficulty.
Worked examples
Try each example yourself before checking the explanation.
How many protons, neutrons and electrons are in a neutral atom of ?
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