1. What happened to the drop of iodine when it was dropped into the starch solution? Did it float, sink, disperse, or change color? Give a brief reason for each observation.

Why is carbon ideal for making different compounds?

Acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor how many grams of water are produced by the same amount of c2h2?

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.