Fill in the following statement: In a bonding molecular orbital, the electron density is locatedthe nuclei which pulls the nuclei, thereforethe bond. In an antibonding orbital, the electron density is locatedthe nuclei which pulls the nuclei, thereforethe bond. If more electrons are in bonding orbitals than antibonding orbitals, then the nuclei are pulledand the molecule is.

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.

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metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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