Two substances can have the Sam's number and type of atom in its molecules but have different properties such as odor color taste or density true or false

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

On the periodic table, elements are arranged by which of the following. a. mass numbers. b. increasing atomic number. c. alphabetical order. or d. density

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium