Which of the following pieces of evidence suggests there was a chemical change? Change in color
Change in shape
Change in size
Change in state

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom