The half-life of cobalt-60 is 5.26 years. If a sample originally contained 220 grams of this isotope, how many grams would be left after 10.52 years?

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

What is the number of atoms in 3.54 mol s

Predict the products butane (c4h10) + oxygen —>