Which Chemical Element Has The Atomic Number 27? RJ Hamster 2 years ago Home Unsubscribe Which Chemical Element Has The Atomic Number 27? Cobalt Manganese Copper Hydrogen TriviaDream.com 728 West Avenue, #2054 Cocoa, FL 32927 You are subscribed to this email as pahovis@yahoo.com. Click here to modify your preferences or unsubscribe. Share this:Print