Which statement best summarizes the importance of Ernest Rutherford's gold foil experiment? o It proved that all of John Dalton's postulates were true,
O It verified J. J. Thomson's work on the atomic structure.
It showed that an electron circles a nucleus in a fixed-energy orbit
O It showed that a nucleus occupies a small part of the whole atom.

Which best explains why an iceberg floats?

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

The energy that powers a hurricane is derived from