The possible products of a double displacement reaction in aqueous solution are (NH4)2S and NaNO3. Which of these possible products will form as a solid in this reaction?
A. Both compounds will form as a solid
B. (NH4)2S
C. Neither compound will form as a solid
D. NaNO3

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.

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold