Which of the following pairs of elements would not form a covalent compound? Li / Br
N/O
Р/СІ
S/F

In a chemical reaction, the number of moles of the reactants a. should never be equal to the number of moles of the products. b. may or may not be equal to the number of moles of the products. c. depends on the amount of product that is formed. d. should always be equal to the number of moles of the products.