How does the periodic table substantiate atomic theory? A) ...

[silviawilliams41]

How does the periodic table substantiate atomic theory?
 
  A) Both are theoretical and cannot support each other.
  B) Groups in the periodic table have similar properties based on similar features of atomic structure, namely, the same number of valence electrons per atom.
  C) All elements in a given period of the periodic table have the same number of valence electrons.
  D) Mendeleev declared consistency between the periodic table and atomic theory.

Question 2

When metal oxides react with water, the resulting solution is generally
 
  A) salty.
  B) acidic.
  C) neutral.
  D) basic.

[FergA]

Answer to Question 1

B

Answer to Question 2

D

[silviawilliams41]

Excellent

[ttt030911]

Gracias!