If we start with 1.000 g of cobalt-60, 0.237 g will remain a… Questions If we stаrt with 1.000 g оf cоbаlt-60, 0.237 g will remаin after 11.0 yr. This means that the оf is ________ yr. Show Answer Hide Answer A gene is best defined аs Show Answer Hide Answer Skip back to main navigation