Abranch of chemistry that deals with the determination of the composition of any substance is:

analytical chemistry
applied chemistry
biochemistry
physical chemistry

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.