Easy Notes & Concepts for Competitive Exams
Symbol Na Atomic Number 11 Atomic Mass 22.990 Discovered by Sodium was discovered by Humphry Davy Physical Properties of Sodium Chemical Properties of Sodium Group 1 Melting point 97.794°C, 208.029°F, 370.944 K Period 3 Boiling point 882.940°C, 1621.292°F, 1156.090 K Block s Density (g cm−3) 0.97 Atomic number 11 Relative atomic mass 22.990 State … Read more
Basic Overview of Iron Iron Symbol Fe Iron Atomic Number 26 Iron Atomic Mass 55.85 g.mol -1 Discovered by The Ancients Chemical Properties Of Iron Group 8 Melting point 1536 °C Period 4 Boiling point 2861 °C Block d Density (g cm−3) 7.8 g.cm-3 at 20°C Atomic number 26 Relative atomic mass 55.845 State at 20°C … Read more
Quick Facts about Magnesium Symbol Mg Atomic Number 12 Atomic Mass 24.305 Discovered by Magnesium was discovered by Joseph Black Chemical Properties of Magnesium Group 2 Melting point 650°C, 1202°F, 923 K Period 3 Boiling point 1090°C, 1994°F, 1363 K Block s Density (g cm−3) 1.74 Atomic number 12 Relative atomic mass 24.305 State at … Read more