Consider the element with the electron configuration rn 7s25f7. how would you classify this element

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car

What is the name of the enzyme that forms at the start of transcription?