Using the information in the table to the right, calculate the average atomic mass of strontium. Report to two decimal places. 45
amu
A 3 column table with 4 rows titled Strontium. Column 1 is labeled Isotope with entries Upper S r-84, Upper S r-86, Upper S r-87, Upper S r-88. Column 2 is labeled Mass (a m u) with entries 83.913428, 85.909273, 86.908902, 87.905625. Column 3 is labeled Abundance (percent) with entries 0.56, 9.86, 7, 82.58.

Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false