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

Author Question: What are the three most abundant elements in the Earth's crust? (Read 66 times)

Haya94

  • Hero Member
  • *****
  • Posts: 558

Question 1

Which one of the following is not a main group element?
◦ Th
◦ Ra
◦ C
◦ Fr

Question 2

What are the three most abundant elements in the Earth's crust?
◦ H, O, Al
◦ O, Si, Ca
◦ Al, C, Fe
◦ O, Al, Si


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Haya94 on Feb 15, 2020

diesoon

  • Sr. Member
  • ****
  • Posts: 353
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 39% of students answer this correctly




Haya94

  • Member
  • Posts: 558
Reply 2 on: Feb 15, 2020
:D TYSM


T4T

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Excellent

 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

For a complete list of videos, visit our video library