Fewpal
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(a) What is an octet? How do elements reach an octet? 

(b) Make a schematic atomic structure of magnesium and phosphorus. 

[Given number of protons of magnesium = 12 and that of phosphorus = 15] 

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1 Answer

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(a) Octet is an arrangement of 8 electrons in outermost shell to achieve nearest noble gas electronic configuration. Elements complete their octet by sharing, gaining or donating electrons to become stable

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