What is the symbol and number of valence electrons for the ...

[futuristic]

a)  Potassium

B)  Lead(III)

C) Phosphide?

D)  Bisulfite?
  I think Pottassium is K with one valence electron  or do I need to add the charges etc?

[Millan]

a) Potassium
Symbol: K
Number of Valence electrons: 1

If you mean the Potassium ION... you might be talking about K+ which has no valence electrons because it lost that one to be in a more stable state like argon.

b) Lead (III) ion - there is no lead (III) ion. only lead (II) or lead (IV) OR you might be mistaken for iron (III)

lead (II)
Symbol: Pb 2+
Valence electrons: 2 valence electrons. normally has 4 but it's 2+ ion so 4-2 = 2

lead (IV)
Symbol: Pb 4+
Valence electrons: 0

iron (III)
Symbol: Fe 3+
valence electrons: 0 . it normally has 3

c) Phosphide ion
Symbol: P 3-
valence electrons: 5+3 = 8

d)Bisulfate ion
Symbol: HSO4 -
valence electrons: this is tricky. when you look at the structure of the bisulfate ion you'll notice that there will be the negative charge on an oxygen. see picture: http://img1.guidechem.com/chem/e/dict/214/14996-02-2.jpg

so the valence electrons will pertain to the oxygen which will have 8 valence electrons.