What is the IUPAC name of the following compound a.4,4-dimethyl-6-hexanoyl acid b.2,2-dimethylpentanoic acid c.3,3-dimethylhexanoic acid d.2,2-dimethylpentanal

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.

One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus