NaF NF3 SiF4 CaF2 NH4F

1 answer:

8 0

Ionic bonds happen when Metals give electron to non-metals and covalent bonds happen when Non-metals give electrons away. Knowing this:

-NaF = ionic (Na is a metal, F is a non-metal)

-NF3 = Covalent (N is a non-metal, F is a non-metal)

-SiF4 = Ionic (Si is a metalloid, F is non-metal)

-CaF2 = ionic (Ca is a metal, F is a non-metal)

-NH4F = covalent (N is a non-metal, H is a non-metal, F is a non-metal)

Hope this helps

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