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Which of the Following Is True of Technological Advances Over

question 70

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Which of the following is true of technological advances over the last two decades?


Definitions:

Covalent Bond

A chemical bond formed by the sharing of one or more pairs of electrons between atoms to achieve stability.

Lone Pair Electrons

A pair of valence electrons that are not shared with another atom and hence do not participate in bonding but influence molecular shape and polarity.

Hydrogen Chloride

A diatomic molecule composed of hydrogen and chlorine; when dissolved in water, it forms hydrochloric acid.

Lewis Structure

A representation of molecules showing how the valence electrons are arranged among atoms in the molecule.

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