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Which ions have five electrons in the outermost subshell?
1. Mn2+
2. Tc2+
3. Re2+
4. Ru2+
5. Y2+
6. Zn2+
7. Fe2+
Which ions have one d electron in the outermost dushell?
1. Hg2+
2. Cd2+
3. Sc2+
4. Te2+
5. Fe2+
6. Zn2+
7. Y2+
♦ Relevant knowledge
There are four subshells: s, p as well as f and d subshells. The most electrons that could be contained in a subshell called d are 10 electrons since it is equipped with five orbitals, and each one can hold up to 2 electrons.
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1 Answer