Frogon isn't a Pokemon.Either someone started a rumor that there is a secret Pokemon called "Frogon"on silver or you watched a video on youtube where someone made some huge agustments on their silver Pokemon game with gameshark somehow.Trust me,I beat the game and filled out my pokedex completely.
No you can't catch Mewtwo in Pokemon silver, you must trade it from Pokemon yellow.
to find out how to catch teddiursa in Pokemon silver... YOU CAN'T IDIOT
You can't catch Deoxys in Silver..
You can't catch a Gligar in Pokemon Silver. However, you can trade one over from Pokemon Gold.
In Pokemon silver you can catch a chansey in Fuschia city at midnight or a silver chansey in the morning. Hope this helps
You can't get Omanyte in-game in Pokemon Silver.
its is dialga
in Pokemon silver you can catch Pokemon as how you catch in other versions. in the Silver version is where the use of special Poke balls were introduced just like Fast Ball, Heavy Ball and Lure Ball.
You can't catch kyogre in Pokemon soulsilver.
sorry you have to trade it to Pokemon soul silver
You can catch Hoho at night.
no it's not possible to catch rayquaza in silver but if it is a hacked version you can catch it