if we connect the two flasks through a stopcock and we open the stopcock, what is the partial pressure of helium?

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.

what is the question here. i think you messed up.

answer; 4 electrons;