QUESTION 5 Which of the following atoms and ions are isoelectric with argon, Ar?

Question

QUESTION 5 Which of the following atoms and ions are isoelectric with argon, Ar? Choose all that apply ci K+ Ca2+ O Ne Kr QUESTION6 We know that the s-block of elements contains 2 groups, the p-block contains 6 groups, the d-block contains 0 groups, and the f-block contains 14 group. If heavier elements are discovered at some point in the future, they ould start to fill a new orbital type which has not yet been seen. (Let's call the next one a g orbital.) How many groups of elements would you expect to be present in the next block, the g-block?

Explanation / Answer

5.

Ar is having number of electrons = 18

isoeletronic species are those which are having same number of electrons

Cl-, S2-, K+, Ca2+ are isoelectronic species with Ar

6.

18 group of elements would expect to be present in the next block, the g-block

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