The compound 3-ethyl-1,2-dimethylbutane is labeled incorrectly. What is the IUPAC designation (name) for that compound?

Which is mostly likely why many scientists reject the cold fusion theory

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

How have the greenhouse gasses increased from the year 2000 to 2018