Concept explainers
(a)
Interpretation:
The unusual characteristic about the electronic structure of
Concept introduction:
Lewis structure is generally considered as a simplified structure of any molecule or atom. Lewis structure for any atom or molecule depicts the valence electrons as dots around the element’s symbol present in the molecule along with the bonds that connect them. Every element tries to complete an octet except the hydrogen atom. Every element in the Lewis structure tries to attain eight electrons in its valence shell by transfer or share of electrons. This rule is known as the octet rule.
(b)
Interpretation:
The
Concept introduction:
The heat of the reaction
The formula to calculate
Or,
The bond energy of reactants is positive and the bond energy of products is negative.
(c)
Interpretation:
The energy needed to break the first
Concept introduction:
The heat of the reaction
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Chemistry: The Molecular Nature of Matter and Change
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