Ii)The outer electronic configuration of an element is 3d8 4s2 .To which group and period it belongs?

Why do cells appear different in distilled water than they do in 10% salt water?

How does a noncompetitive inhibitor reduce an enzyme’s activity?

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c