you cannot trade them. you can only migrate them
you have to trade it from Pokemon red to silver (u need the time machine) then trade it from silver to any version and so on :)
you have to trade from red blue or yellow. zapdos is not catchable in Pokemon silver.
You'll need to trade for it from Pokemon Red, Blue, or Yellow.
No, you cannot trade between the two different versions because the Pokemon are different or the Pokemon know different moves that are not in red version. When they re-make gold and silver for DS there may be some way to trade between Pokemon fire red and leafgreen to the new gold and silver but I doubt it.
by going to the time travel trading on the far right you can trade from and to Pokemon yellow, red, and blue
No, Yellow is only able to trade with Red, Blue, Gold, Silver, and Crystal. Sorry.
No
No!
Emerald can trade with Leaf Green but not Pokemon Red
Yes.
if you have a Pokemon on silver that isn't on red it than can't trade. Or if there is a new move/TM that your Pokemon knows it won't work oh and you have to use the time machine to trade(the big thing at the far end of the Pokemon center, upstairs).
Unfortunately, it is impossible to...