How many hydrogen atoms would be present in 12 molecules of water( H2o)?
3
2
24
12

I’m an electrically neutral atomic any element, there are equal numbers of

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 oxidation state of an individual bromine atom in nabro3?