Which of these elements is most likely to be a colorless gas based on the type of element? Al, Pd, Ar, Cs

Which three statements represent the benefits of performing experiments using computer simulations?

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.

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6