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 34 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
Excellent


atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

For a complete list of videos, visit our video library