« previous next »

Author Question: Which of the following elements has the least number of valence electrons? A) krypton B) ... (Read 66 times)

evelyn o bentley

  • Hero Member
  • *****
  • Posts: 564
on: Aug 27, 2018
Which of the following elements has the least number of valence electrons?
 
  A) krypton
  B) potassium
  C) calcium
  D) aluminum

Question 2

How can fossil fuels be considered a form of solar energy?
 
  A) Solar energy can be used to extract them from the ground.
  B) They burn at temperatures approaching the surface of the sun.
  C) They are made from photosynthetic plants.
  D) Most fossil fuels come from desert regions of our planet.


Carissamariew

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Everyone has one nostril that is larger than the other.

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?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Sieve-tube elements and companion cells in phloem tissue Sieve-tube elements and companion cells in phloem tissue
Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease. Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease.
How to write any number in engineering notation How to write any number in engineering notation
The Elements of Cognition The Elements of Cognition
Average Number of Days per Year with Thunderstorms Average Number of Days per Year with Thunderstorms
Separation of variable number tandem repeat (VNTR) alleles after PCR amplification Separation of variable number tandem repeat (VNTR) alleles after PCR amplification
Video: X chromosome inactivation in calico cats

For a complete list of videos, visit our video library