the half-life of 32p is about 14 days. about how many days will it take for the 25 g sample to decay to an activity below 1.0 g?

Iam not sure butch i thinnk it is ab

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom