Lithium is an alkali metal in group IA of the periodic table with atomic number 3, an atomic weight of 6.939, and a density of 0.53 Mg/m 3. Its melting point is 180.5 C, and it boils at 1330 C. The ...

Periodic tables sometimes look different from each ... The first Group 1 element, lithium, has the highest melting point at 180°C. The melting points then get gradually lower, with the element ...

They include lithium, sodium and potassium, and are placed in the first vertical column on the left of the periodic table. All the Group 1 elements are very reactive, and all react with water to ...

After the first level has two electrons, the next electron goes into the second level. 2nd Period: Lithium to neon—Electrons go into the second level. After the second level has 8 electrons, the next ...