How many molecules of n2 are in a 400.0 ml container at 780 mm hg and 135°c?

its mg hope this

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

може ли да зареждате повече информация, моля