answersLogoWhite

0

Fluorine, the element has a symbol/"formula" F.

As a charged ion it has a -1 charge = F-

Otherwise, fluorine is a diatomic molecule= F2

Calcium is also an element with symbol/"formula" Ca.

As an ion it has a +2 charge, so it can be written as Ca2+.

User Avatar

Wiki User

13y ago

What else can I help you with?