Final answer:
The name and symbol combination that is incorrect is 'manganese, Mg' as the correct symbol for manganese is Mn.
Step-by-step explanation:
The correct name and symbol combination that is NOT accurate among the options provided is d) manganese, Mg. The correct symbol for manganese is Mn. Therefore, d) is not a correct name, symbol combination. The correct symbol combinations for the other elements are: a) calcium, Ca; b) phosphorus, P; and c) iron, Fe.
Here are correct chemical symbols for reference:
- manganese - Mn
- magnesium - Mg
- calcium - Ca
- phosphorus - P
- iron - Fe