No explanation needed, just a quick answer !

the bohr model of the atom addressed the problem of

why electrons didn't fall into the positive nucleus

how so many positive charges could be crowded into such a small space in the nucleus

how so much energy could be released from an atom

all of the above

Which one of the following gases is not an important component of soil?

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

In an effort to address concerns about global warming, a power plant in portland,oregon is designed to take all of its exhaust gases from its boilers and recycle the co2 using the solvay process to make sodium hydrogen carbonate. the reaction is shown below. nh3(g) + h2o(l) + co2(g) + nacl(aq) → nahco3(aq) + nh4cl(aq) how many liters each of nh3 and co2 (both at stp) would be consumed to produce 3.00 kg of sodium bicarbonate? the volume of both nh3 and co2 would be