The given question is incomplete. The complete question is :
Which anion would bond with K+ in a 1: 1 ratio to form a neutral ionic compound?
a) 
b) 
c) 
d) 
Answer: b)
Explanation:
For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.
Here potassium is having an oxidation state of +1 called as cation and thus is an anion must have an oxidation state of -1 if they have to combine in 1: 1 ratio to give neutral ionic compound.
Thus the anion has to be 
which combines with 
in 1: 1 ratio to give 
That would be an ionic bond since it has electrons to spare, rather than a convalent bond where all the electrons are taken up thus it is not a good conductor
Answer:
Give up 2 electrons.
Explanation:
Is this ever a good question!!!
Electrons have a minus charge
Protons have a plus charge.
You need to understand it thoroughly. I used to explain it this way.
Suppose the protons and electrons are playing a game and the electrons commit a foul that leaves them with 2 men short.
That means there are 2 unguarded plus's around. The result is that the minuses have lost two men who are in the sin bin. (I watch a lot of hockey).
So a +2 means that the electrons have lost two of their players to penalties.
Put in the vocabulary of your question, you give up 2 electrons.
The aluminum can with stand <span>0.942 J° C of heat </span>
