Author Question: Which contains more atoms? A) 1 kg of hydrogen B) 1 kg of iron C) both contain the ... (Read 48 times)

APUS57

  • Hero Member
  • *****
  • Posts: 571
Which contains more atoms?
 
  A) 1 kg of hydrogen
  B) 1 kg of iron
  C) both contain the same

Question 2

An isotope is simply an atom that
 
  A) is electrically charged.
  B) has different numbers of neutrons for the same element.
  C) both of these
  D) neither of these



mcarey591

  • Sr. Member
  • ****
  • Posts: 365
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

APUS57

  • Hero Member
  • *****
  • Posts: 571
Both answers were spot on, thank you once again



mcarey591

  • Sr. Member
  • ****
  • Posts: 365

 

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

For a complete list of videos, visit our video library