How much of a 1. 00 mg sample of americium remains after 3 half-lives?.

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

27 drag each label to the correct location on the image. a particular exosolar system has five planets in total: a, b, c, d, and e. the table lists the orbital periods of these planets in days. planet orbital period (days) a 600 b 80 c 1,000 d 500 e 100 move each planet to its orbit in the system.

What is the molecular formula of ferrous nitrate and ferric nitrate