The only noble gas without eight valence electrons is ________. ...

[karlynnae]

The only noble gas without eight valence electrons is ________.
 
  A) Ar
  B) Ne
  C) He
  D) Kr
  E) All noble gases have eight valence electrons.

Question 2

Which substance is the reducing agent in the reaction below? Pb + PbO2 + 2H2SO4  2PbSO4 + 2H2O
 
  A) Pb
  B) H2SO4
  C) PbO2
  D) PbSO4
  E) H2O

Question 3

What is the pOH of an aqueous solution at 25.0 C that contains 3.98  10-9 M hydroxide ion?
 
  A) 8.40
  B) 5.60
  C) 9.00
  D) 3.98
  E) 7.00

[blazinlyss]

Answer to Question 1

C

Answer to Question 2

A

Answer to Question 3

A

[karlynnae]

Excellent

[dawsa925]

Great answer, keep it coming