Author Question: Which of these is NOT considered a heavy metal? A) Ca B) Ag C) Hg D) ... (Read 53 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
Which of these is NOT considered a heavy metal?
 
  A) Ca
  B) Ag
  C) Hg
  D) Au

Question 2

A ________ H corresponds to an ________ process.
 
  A) negative, endothermic
  B) negative, exothermic
  C) positive, exothermic
  D) zero, exothermic
  E) zero, endothermic



nguyenhoanhat

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

For a complete list of videos, visit our video library