Magnesium
The 12th atom of the periodic table.
Main Facts
Magnesium is a element of the periodic table, it symbol is "mg".
It Has 12 protons and 12 neutrons lastly 12 electrons.
Also the atomic number is 12.The atomic mass is 24.3050.
Lastly the electron configuration is for the first cloud is 2,second cloud 8,lastly third cloud 2.
history for magnesium
The Magnesium atom was discovered it was Humphrey Davy. Humphrey found it in the 1808's.
More facts!
The magnesium can be found in sea water.
Some descriptions are shiny,sliver,and gray metal.
Also some way it used is for airplanes and missiles and medicine.
The period of magnesium is 3.