A covalent bond . ANSWER Unselected is always one more bond than the valence number for the pair Sure I AM SURE is the sharing of a pair of valence electrons by two atoms Unselected is a weak chemical bond Unselected is the transfer of a valence electron to an atom that has an unfilled valence shell Unselected always forms a crystal salt

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Ithe undersigned only for use your own email and delete any and copies and of the itself and to be there is a good timewhat does a decrease in temperature indicate about the molecules in a sample of liquid water? decreased chemical energy of the moleculesdecreased kinetic energy of the moleculesincreased chemical energy of the moleculesincreased kinetic energy of the moleculeshow does a sample of helium at 15 â°c compare to a sample of helium at 215 k? the helium at 15 â°c has a higher average kinetic energy than the sample at 215 k.the helium at 15 â°c has lower nuclear energy than the sample at 215 k.the helium at 15 â°c has slower-moving atoms than the sample at 215 k.the helium at 15 â°c has smaller atoms than the sample at 215 k.

Ibelieve it is b. proton.hope my answer has you : )