During a flame test, a lithium salt produces a characteristic red flame. This red color is produced when elctrons in excited lithium atoms

Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.

Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?

Which number should be placed before f2 on the reactants side equation to make equation balanced? xe + > xef4