(3.88 x 10to the 26th)atoms of copper would be equal to how many moles of copper?

Consider the nuclear equation below. 239 > x + 4 he 94 2 what is x? 1.235 cm 96 2.243 u 92 3.235 u 92 4.243 cm 96

In which phase(s) do the molecules take the shape of the container?

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons