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Paper 3Theory (Core)1 marks
Understanding atomic symbols and their significance in chemistry.
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Atomic Symbols
Each element is represented by a unique symbol. For example, 'H' for hydrogen, 'O' for oxygen, and 'Fe' for iron. The atomic number indicates the number of protons, while the mass number indicates the total number of protons and neutrons.
- a[1]
State the symbol for oxygen.
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