How did ernest rutherford's discovery affect the model of the atom?

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.

What does an electron configuration for an atom relate to the atoms placement on the periodic table

How is the solubility of a carbon dioxide gas in water increase?