The classic case of ionic bonding, the sodium chloride molecule forms by the ionization of sodium and chlorine atoms and the attraction of the resulting ions. An atom of sodium has one 3s electron outside a closed shell, and it takes only 5.14 electron volts of energy to remove that electron.
Metal pots are good for cooking because they have heat conductivity.
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Reptiles, marsupials, dogs, and cats
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This would be the hydride ion where H gains an electron from a metal such as Na
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