Select the correct answer from each drop-down menu. Why do some transition metals have multiple oxidation states?
sublevel.
Transition metals have multiple oxidation states because of their

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!