Author Question: The ________ have the most negative electron affinities. A) alkaline earth metals B) alkali ... (Read 119 times)

dakota nelson

  • Hero Member
  • *****
  • Posts: 604
The ________ have the most negative electron affinities.
 
  A) alkaline earth metals
  B) alkali metals
  C) halogens
  D) transition metals
  E) chalcogens

Question 2

Isotopes of hydrogen ________.
 
  A) have the same atomic number and different mass numbers
  B) have the same atomic number and the same mass number
  C) have different atomic numbers and different mass numbers
  D) have different atomic numbers and the same mass number
  E) are exactly alike



Silverbeard98

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

For a complete list of videos, visit our video library