This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In which group do all atoms have two valence electrons in the ground state? A) alkali metals B) ... (Read 76 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
on: Aug 27, 2018
In which group do all atoms have two valence electrons in the ground state?
 
  A) alkali metals
  B) alkaline earth metals
  C) halogens
  D) noble gases

Question 2

Which of the following is not a beta emitting reaction?
 
  A) 231Th  231Pa
  B) 131I  131Xe
  C) 90Sr  90Y
  D) 226Ra  222Rn


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

succesfull

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

D


Awilson837

  • Member
  • Posts: 509
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

Perkypinki

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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.

Approximately 1 pound (0.45 kg) of ground elk meat formed into patties; note the relatively small fa Approximately 1 pound (0.45 kg) of ground elk meat formed into patties; note the relatively small fa
The Scopes Trial: William Jennings Bryan (right) represented the state of Tennessee, and Clarence Da The Scopes Trial: William Jennings Bryan (right) represented the state of Tennessee, and Clarence Da
Students working in a group Students working in a group
Methyl group metabolism and homocystinuria Methyl group metabolism and homocystinuria
Group of Geese Group of Geese
State the transformations on the function f(x)= 4sin(x-pi)-2 and then graph two cycles below. State the transformations on the function f(x)= 4sin(x-pi)-2 and then graph two cycles below.
Video: Vascular tissues in a corn stem and a buttercup root

For a complete list of videos, visit our video library