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

Author Question: Which of the following is a positive ion? A) Na+ B) Ca2+ C) Mg2+ D) Al3+ E) all of the ... (Read 121 times)

schs14

  • Hero Member
  • *****
  • Posts: 569
Which of the following is a positive ion?
 
  A) Na+
  B) Ca2+
  C) Mg2+
  D) Al3+
  E) all of the above

Question 2

If two protons and two neutrons are removed from the nucleus of the oxygen-16 isotope, a nucleus of which element remains?
 
  A) nitrogen-12
  B) carbon-12
  C) neon-18
  D) carbon-14



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

beccamahon

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

E

Answer to Question 2

B





 

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

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

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library