Indium-115 has a half-life of 4.5 hours. A 24.0 mg sample of indium under goes radioactive decay. How much indium would remain after 27 hours? a)375 mg
b)24.0 mg
c)5.33 mg
d)12.0 mg

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d. lytic

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope