Answer:
Double replacement reaction
Explanation:
This is what is known as a double replacement reaction. The two parts of each molecule separate and recombine to form two new compounds. For instance, 
separates into 
and 
, while 
separates into 
and 
, and then they recombine with the other compound.
Hope this helps!
Answer:
The answer to your question is below
Explanation:
ionic compounds covalent compounds
1.- Mass it does not depend on the type of compound
2.- Conductivity -conduct electricity - do not conduct electricity
in solution.
3.- Color - Shiny - opaque
4.- Melting point - high - lower than ionic compounds
5.- Boiling point - high - lower than ionic compounds
6.- flammability - not flammable - flammable
Talking about ions, a cation has a positive charge. That means a positive charge is gained by an atom that gives out electrons.
Answer is: the structural formula of fluorine is F-F.
The structural formula is a graphic representation of the molecular structure, it shows arrangement of the atoms and the covalent bonds between them.
Fluorine is molecule with molecular formula F₂.
Between two flourine atoms there is nonpolar, single, covalent bond.
