This is what I got hope it helps
1s2 2s2 2p6 3s2 3p6 4s2 is the electron configuration for Calcium
It is a single replacement reaction. Li and Mg switch places.
<span>Niels Henrik David Bohr is the scientist credited with developing the orbital model of the atom. He was Danish physicist who made foundational contributions to understanding atomic structure and quantum theory. He received the Nobel Prize in Physics in 1922</span>
Earthquake waves and sound waves are alike because they both cause a spam of vibrations around
