1. what are examples of physical properties of a compound?

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: