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

Author Question: Any element heavier than helium is collectively referred to as a _______________. Fill in the ... (Read 85 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
Any element heavier than helium is collectively referred to as a _______________.
 
  Fill in the blank(s) with correct word

Question 2

Why do nuclear fusion reactions only take place in the interior of a star?
 
  a. The magnetic fields are strongest there.
  b. The temperature is the hottest in the center.
  c. The density of material is very high in the center.
  d. The temperature is the hottest in the center and the density of material is very high in the center.
  e. FALSE; Nuclear fusion reactions can take place in the core and corona where temperatures are high enough.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

metal

Answer to Question 2

d





 

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

For a complete list of videos, visit our video library