8. Determine the atomic number, the mass number, the number of protons, and the number of neutrons for 144
x Sm

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

What is a property of a double replacement reaction

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots