5. Take apart the water molecules you just created to make hydrogen and oxygen molecules. Each hydrogen molecule is composed of two hydrogen atoms connected together. Each oxygen molecule is composed of two oxygen atoms connected together. How many hydrogen molecules do you need to make trom two water molecules? How many oxygen molecules do you make?

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.

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

Find the mass, in grams, of 5.00*10^23 molecules of f2