the half-life of cobalt-60 is 10.47 min. how many milligrams of cobalt-60 remain after 104.7 min if you start with 10.0mg?

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules

Of element x has 22 protons, how many electrons does it have