The accurate relative isotopic masses and relative abundances of the isotopes in a sample of bromine are shown below.
Isotope
79Br
81BT
Relative isotopic mass
78.9183361
80.9162896
Relative abundance (%)
50.69
49.31
i.
What is the relative atomic mass of bromine in this sample?
Give your answer to three decimal places.

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together