Atoms are isobaric if they have the same mass. Which of the following atoms or ions are isobaric?

(I) ⁵¹Cr³⁺ (II) ⁵²Cr³⁺ (III) ⁵⁵Mn³⁺ (IV) ⁵⁹Ni⁴⁺ (V) ⁵⁹Co³⁺

Question

Atoms are isobaric if they have the same mass. Which of the following atoms or ions are isobaric? (I) ⁵¹Cr³⁺ (II) ⁵²Cr³⁺ (III) ⁵⁵Mn³⁺ (IV) ⁵⁹Ni⁴⁺ (V) ⁵⁹Co³⁺

Quizplus · Accepted Answer

Isobaric atoms or ions have the same mass number. Both IV (Ni-59 with 14+ charge) and V (Co-59 with 13+ charge) have a mass number of 59, making them isobaric.

Atoms Are Isobaric If They Have the Same Mass