Choose the INCORRECT statement.

[faduma]

Question 1

Choose the INCORRECT statement.
◦ The inner transition elements include the lanthanides.
◦ The lanthanides are sometimes called rare earth elements.
◦ The lanthanides feature the filling of the 5f orbitals.
◦ The lanthanides have very similar chemical properties.
◦ Lanthanides are difficult to separate from each other.

Question 2

Choose the INCORRECT statement.
◦ The lanthanides often occur naturally as oxides.
◦ The most common oxidation state of lanthanides is +4.
◦ Most of the lanthanides are paramagnetic.
◦ Like the transition elements, aqueous solutions of the lanthanides are colored.
◦ Fractionated means to alter slightly the ratio of the concentration of one element to another.

[kjohnson]

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[faduma]

Great answer, keep it coming

[alexanderhamilton]

Thanks for the timely response, appreciate it