Lawrence,+Cody

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1 Magnesium Mg

2'Boiling point 1090 oC, 1994 oF, 1363.15 K 3'Melting point 650 oC, 1202 oF, 923.15 K 4 Density/gravity 1738

5 12 12 12

6 Atomic mass 24.3050 7 Atomic number 12 8 electron configuration and orbital notion 1s2 2s2 2p6 3s2 9'Number valence electrons 10 10 Discovery: Joseph Black was the first to recognize magnesium as an element in 1755. Sir Humphry Davy isolated it in 1808, and Antoine A.B. Bussy prepared it in coherent form in 1831. 11 in the USA produced 43.00 and capacity 45.00. 12. Magnesium is a shiny, silver or gray colored metal that is light in weight and strong.

Th density of magnesium is 1.738 g/mL, which means the metal will sink in water, but it is still relatively light weight.

13 magnesium constitutes 2.4 percent of Earth’s crust. 14 MgSO4. 15 Manual photo flash unit. Magnesium movie reel. 16 17. Number of Energy Levels: 3 First Energy Level: 2

Second Energy Level: 8

Third Energy Level: 2 18. Approximately 320,000 tons of magnesium are extracted annually for commercial use.3. In 1808, Sire Humphrey Davy first isolated several of the alkaline earth metals, naming them after their oxides as barium, strontium, calcium, and magnium.

RSC Visual Elements Periodic Table