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 32 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
Wow, this really help


bblaney

  • Member
  • Posts: 323
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

For a complete list of videos, visit our video library