5. True or false: A physical property can be measured without changing the identity
of the substance

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 happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

What is the lowest number energy level where a d sublevel is found