What is the initial mass of Technetium-104? What is the half-life of Technetium-104?

What mass of Technetium-104 is left after
5 half-lives?

How much Technetium-104 will remain
after 2 hours?

What does the symbol (–hfus) indicate in a phase change?

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

Witch two conditions can limit the usefulness of the kinetic molecular theory in describing gas behavior?