The ________ have the most negative electron affinities. A) ...

[dakota nelson]

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]

Answer to Question 1

C

Answer to Question 2

A