AS Level Chemistry: In compounds many atoms or ions have fixed oxidation numbers: (5)

Question

In compounds many atoms or ions have fixed oxidation numbers: (5)

Phillanie Jacobs · Accepted Answer

1. Group 1 elements are always +1
2. Group 2 elements are always +2
3. Fluorine is always -1
4. Hydrogen is +1 (except in metal hydrides is -1)
5. Oxygen is -2

AS Level Chemistry

In compounds many atoms or ions have fixed oxidation numbers: (5)

1. Group 1 elements are always +1 2. Group 2 elements are always +2 3. Fluorine is always -1 4. Hydrogen is +1 (except in metal hydrides is -1) 5. Oxygen is -2

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