This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The element that is the second most abundant in Earth's crust is a. oxygen. b. iron. c. nitrogen. ... (Read 97 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jul 28, 2018
The element that is the second most abundant in Earth's crust is
 a. oxygen.
  b. iron.
  c. nitrogen.
  d. silicon.

Question 2

What is the formula of the compound formed from the ions of calcium and bromine?
 a. CaBr3
  b. CaBr
  c. CaBr2
  d. Ca2Br3
  e. None of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

c


mia

  • Member
  • Posts: 564
Reply 2 on: Jul 28, 2018
Excellent

AISCAMPING

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Daily changes in photosynthesis and nitrogen fixation gene expression in Synechococcus cultures isol Daily changes in photosynthesis and nitrogen fixation gene expression in Synechococcus cultures isol
Changes in Earth's atmospheric carbon dioxide levels over geological time. Changes in Earth's atmospheric carbon dioxide levels over geological time.
Earth’s Magnetosphere Earth’s Magnetosphere
Iron-dependent regulation of mRNA translation and degradation Iron-dependent regulation of mRNA translation and degradation
A typical good oxygen sensor waveform as displayed on a digital storage oscilloscope. Look for ... A typical good oxygen sensor waveform as displayed on a digital storage oscilloscope. Look for ...
In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv
Video: Nerve Impulse Transmission Animation

For a complete list of videos, visit our video library