How do the isotopes hydrogen-1 and hydrogen-2 differ? Hydrogen-2 has one proton; hydrogen-1 has none. Hydrogen-2 has two protons; hydrogen-1 has one. Hydrogen-2 has one neutron; hydrogen-1 has none. Hydrogen-2 has one more electron than hydrogen-1.

Achef makes salad dressing by mixing oil, vinegar, and spices, as shown. which type of matter is the salad dressing?

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 of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon