1.
complete the table below to identify and name several ionic compounds.
2.
complete the table below to identify and name several covalent compounds.

1.

Chemical formula: CaBr2

Chemical name: calcium bromide (calcium has only one valence, so it isn't necceseraly to name it)

Cation: Ca^2+

Anion: Br^-

Chemical formula: NiO

Chemical name: Nickel(II) oxide

Cation: Ni^2+ (the name Nickel (ii) come from its valence)

Anion: O^2-

Chemical formula: Cd3N2 (notice that the addition of the valences of all elements is equal to zero because compounds are neutral, that is, 3*(2+) + 2*(3-) = 0)

Chemical name: Cadmium(II) nitride

2.

Chemical formula: SiI4

Chemical name: Silicon tetraiodide

Chemical formula: N2O (as it name states, 2 atoms of N and 1 atom of O)

Chemical name: dinitrogen monoxide

Chemical formula: P4O10 (it's actually composed by two molecules of P2O5)

Chemical name: Phosphorus pentoxide

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explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them