Which statement about the noble gases is most reliable?
the chemistry of the reactions of noble gases is not very interesting.
the noble gases are some of the most beautiful elements.
the noble gases are in the rightmost column of the periodic table.
the history of the discovery of noble gases is dull.

Stage in which a typical star has completely stopped fusion

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound