quiz 5

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How many lone pairs of electrons are in the electron-dot structure of H2O?

2

Write the formula for carbon tetraiodide

CI4

Write the correct formula for the compound iron (III) sulfide

Fe2S3

Write the correct name of the following compound: Al2(SO4)3

aluminum sulfate

Which of the following elements does not exist as a diatomic molecule?

carbon

The main interactions between molecules of hydrogen are examples of

dispersion forces.

The molecular shape of the carbon dioxide (CO2 ) is

linear

Write the correct name of the following compound: MgCl2

magnesium chloride.

In ionic compounds, __________ lose valence electrons to form positively charged __________.

metals; cations

Write the correct name of the compound: NCl3

nitrogen trichloride.


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