A student writes the nuclear notation for “magnesium-26” as ...

Question

A student writes the nuclear notation for “magnesium-26” as . Which error(s) did the student make?

A

Swapped atomic number and mass number; correct notation is .

B

Used the wrong atomic number for magnesium; correct atomic number is 26.

C

Used the wrong mass number for magnesium-26; correct mass number is 12.

D

Confused magnesium with iron (Fe, atomic number 26); correct symbol is Fe.

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