This topic contains a solution. Click here to go to the answer

Author Question: Choose the INCORRECT statement. (Read 37 times)

faduma

  • Hero Member
  • *****
  • Posts: 528

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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by faduma on Jul 8, 2021

kjohnson

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 8, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 35% of students answer this correctly




faduma

  • Member
  • Posts: 528
Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)


ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

For a complete list of videos, visit our video library