If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and another with a mass of 0.78 kg, which ball will have the greater acceleration​

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.

The answer is true a geyser can reach up to 205 degrees fahrenheit

Not a  mixture of two common elements that can be separated by physical means.