An atomic physicist determines that an atom is composed of 8 positively charged particles and has a mass of 15 amu. which is the best conclusion that can be drawn?
the atom has 7 neutrons and 8 protons.
the atom has 7 electrons and 8 protons.
the atom has 8 neutrons and 7 electrons.
the atom has 8 electrons and 7 protons.

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.

How can one make a supersaturated solution? (apex)

Define the kinetic molecular theory