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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+.
Calcium has a chrage of +2 or two positive charges
Calcium is a bivalent chemical element - 2+.
more likely to be pulled towards the fluorine atom. This results in a polar covalent bond, with the fluorine atom having a partial negative charge and the other element having a partial positive charge.
ionic
The calcium cation is (Ca)2+.
Generally all metals, but mostly Alkali metals. This is because Alkali metals have a 1+ charge, and Fluorine has a 1- charge.
halogenhalogen in group VII
Yes, calcium has valence electrons - two, in fact (it is a divalent chemical element).
Fluorine is a none metal element. atomic number of it is 9.
Calcium in milk exists as divalent cations, which must be accompanied by enough anions to balance their electric charge. In that sense, calcium in milk is a compound, but calcium as a chemical element can also exist on its own in another environment.
Fluoride(not flouride)is the reduced form of fluorine. Both organic and inorganic compounds containing the element fluorine are considered fluorides. As a halogen, fluorine forms a monovalent ion (−1 charge). The range of fluorides is considerable as fluorine forms compounds with all elements except He and Ne[1][2]. Fluorides range from severe toxins such as sarin to life-saving pharmaceuticals such as efavirenz and from refractory materials such as calcium fluoride to highly reactive sulfur tetrafluoride