Give the electronic configuration for Fe3+ A) 1s2 2s2 2p6 3s2 ...

[faduma]

Give the electronic configuration for Fe3+
 
  A) 1s2 2s2 2p6 3s2 3p6 4s2 4d3
  B) 1s2 2s2 2p6 3s2 3p6 4s1 3d3
  C) 1s2 2s2 2p6 3s2 3p6 3d5
  D) 1s2 2s2 2p6 3s2 3p6 4s2 4p3

Question 2

What is the stoichiometric coefficient for oxygen when the following equation is balanced using the lowest, whole-number coefficients? _____ C2H6O(l) + _____ O2(g)  _____ CO2(g) + _____ H2O(l)
 
  A) 9
  B) 7
  C) 5
  D) 3

Question 3

Which molecule listed is heterocyclic?
 
  A) aniline
  B) phenol
  C) pyridine
  D) benzoic acid
  E) naphthalene

[jaymee143]

Answer to Question 1

C

Answer to Question 2

D

Answer to Question 3

C

[faduma]

TYSM

[momolu]

Thanks for the timely response, appreciate it