Which type of metal ions tends to absorb light in the visible range?

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

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.