Limnetic, profundel, littoral, and benefitic have what in common

Word equation for k(s) +h2o(l) yield koh (aq) + h2

Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.

The electron configuration for chromium is 1s22s22p63s23p63d54s1 instead of 1s22s22p63s23p63d44s1. the configuration is an exception to the pauli exclusion principle heisenberg uncertainty principle aufbau principle schrödinger equation