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

Author Question: How many valence electrons does an atom of Al possess? A) 1 B) 2 C) 5 D) 3 E) ... (Read 63 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
How many valence electrons does an atom of Al possess?
 
  A) 1
  B) 2
  C) 5
  D) 3
  E) 8

Question 2

Define precision.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Meganchabluk

  • Sr. Member
  • ****
  • Posts: 301
Answer to Question 1

D

Answer to Question 2

How close a series of measurements are to one another.



tsand2

  • Hero Member
  • *****
  • Posts: 520
Both answers were spot on, thank you once again



Meganchabluk

  • Sr. Member
  • ****
  • Posts: 301

 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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?

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