When one atom of hydrogen (h) combines with one atom of bromine (br), their bonding results in a molecule of hbr. which of the following describes the arrangement of valence electrons in a bond between h and br? (my d)

the valence electrons are shared equally between h and br.

the valence electrons spend more time around the atom of h.

the valence electrons spend more time around the atom of br.

the valence electrons are given up by the h and gained by the br

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices