3(i)
A compound commonly used in the laboratory has formula H2P.
H represents hydrogen, P represents a non-metal.
Draw a dot and cross structure for the formation of the compound H2P.
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P is a divalent non-metal having six electrons in its valence shell. Each of the two hydrogen atoms shares one electron with P to form two covalent bonds, so that P completes its octet while each H completes its duplet. The dot and cross structure for the formation of H2P is shown below:
