Which of the following compounds is primarily covalent?
a.)potassium chloride, kcl
b.)methane, ch4
c.)sodium bromide, nabr
d.)lithium oxide. li2o

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

How can one make a supersaturated solution? (apex)