Interpretation:
The reason for atomic radii of the
Concept introduction:
When increasing
The 4f electrons very incorrectly shield each other from the increased positive charge of the nucleus, so that the effective nuclear charge attracting each electron steadily increases through the
The lanthanum ion (
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Chemistry & Chemical Reactivity
- What two first-row transition metals have unexpected electron configurations? A statement in the text says that first-row transition metal ions do not have 4s electrons. Why not? Why do transition metal ions often have several oxidation states, whereas representative metals generally have only one?arrow_forwardWould you expect salts of the gold(I) ion, Au+, to be colored? Explain.arrow_forwardIdentify a cation of a first series transition metal that is isoelectronic with each of the following. (a) Fe3+ (b) Zn2+ (c) Fe2+ (d) Cr3+arrow_forward
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