For the following questions consider a piece of copper wire. a. what type of bond is formed between the copper atoms? b. describe how these bonds form. c. explain why copper is a good electrical conductor.

a. metallic bond

b. the valence electrons from the s and p orbitals of the interacting metal atoms delocalize. That is to say, instead of orbiting their respective metal atoms, they form a “cloud” of electrons that surrounds the positively charged atomic nuclei of the interacting metal ions.

c. due to the presence of free electrons in its outer energy levels

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide

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