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Ionic bond as in SrF2
Strontium is a metal. Chlorine is a non metal. Sr donates electrons to Cl to make an crystalline ionic compound.
No. This is an ionic bond. Look at the electronegativity Cl (3.0) - Sr (1.0) = 2.0; 0.0 to 0.4 is covalent, 0.4+ to 1.7 is polar-covalent and above 1.7 is ionic. You can also assume that a metal and non-metal will form an ionic bonds.
In an ionic bond, there is a complete transfer of electrons between the atoms. In a covalent bond, electrons are shared. All covalent bonds occur between nonmetals that have a difference in electronegativities that is 1.7 or less. An ionic bond almost always occurs between a metal and a nonmetal.
ionic
No, strontium oxide is ionic.
SrF2
Sr3P2
SR-1
Well in maps and roads it stands for state route, an Sr might also be referring to a type of fighter jet
Instructions on filling out form SR are at the link below.
The SR-22 is a form your insurance provider fills out for you so you can present it to the DOT as proof you are insured to get a drivers license.