Question

Molecules that do not ____________ (or come apart) in solution are called ____________ . Most of these substances are covalently bonded ____________ (e.g., glucose, urea, and creatinine). In contrast, a(n) ____________ is any substance that dissociates in solution to form _

Answer 1

Filling in the gaps in the excerpt below

Molecules that do not  __Dissociate__________ (or come apart) in solution are called ___Non-electrolyte substances_________ . Most of these substances are covalently bonded __and do not conduct electricity__________ (e.g., glucose, urea, and creatinine). In contrast, a(n) ___Electrolyte_________ is any substance that dissociates in solution to form Salts

Difference between electrolytes and Non-electrolytes

Electrolytes are substances that conduct electricity because they readily ionize when placed in a solution. while Non-electrolytes do not readily conduct electricity because they do not dissociate  into ions when placed in a solution.

Hence we can conclude that the answers to your questions are as listed above.

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