A massa volúmica do propano (C3H8), nas condições PTN, é ... *

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Which terms are used to identify pure substances

Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg