The figure shows ball models of four molecules. Using the key, state which are molecules of elements and which are molecules of compounds. Also write the number of atoms in each.

Question

TextMolecules of ElementsMolecules of Compounds

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Nitrogen has five valence electrons. Draw the structure of the nitrogen molecule (N2).

The atomic number of fluorine is 9. Explain the formation of the fluorine molecule (F2).

Show the formation of the following molecules:

CASE_STUDIESMolecules of Compounds

An element X has six electrons in its outer shell and forms a diatomic molecule.

Which of the following is an example of a compound?

The bond between the two atoms in an oxygen molecule (O2; O, Z = 8) is a