Sort these species into isoelectronic groups. It doesn\'t matter which group goes in which box, so long as the correct species are grouped.

He
Be2+
Li+
N3-
Ne
S2-
Mg2+
Ti4+
K+

Answer : The isoelectronic groups are:

Explanation :

Isoelectronic : It is defined as the compound or molecule having the same number of electrons and the same number of electronic structure.

The element is helium. The number of electrons are 2.The element is beryllium. The number of electrons are 4. The number of electrons in = 4 - 2 = 2The element is lithium. The number of electrons are 3. The number of electrons in = 3 - 1 = 2The element is nitrogen. The number of electrons are 7. The number of electrons in = 7 + 3 = 10The element is neon. The number of electrons are 10.The element is sulfur. The number of electrons are 16. The number of electrons in = 16 + 2 = 18The element is magnesium. The number of electrons are 12. The number of electrons in = 12 - 2 = 10The element is titanium. The number of electrons are 22. The number of electrons in = 22 - 4 = 18The element is potassium. The number of electrons are 19. The number of electrons in = 19 - 1 = 18

The isoelectronic groups are:

The correct answer is b

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