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 ...
With its atomic number of 3, lithium is located in the top left corner of the periodic table. It was Johann August Arfvedson, one of Jöns Jakob Berzelius's students, who first detected its ...
Atomic number: The number of protons in the nucleus ... H - Hydrogen He - Helium Li - Lithium Be - Beryllium ...
The numbers of subatomic particles in an atom can be calculated from its atomic number and mass number. The periodic table - AQA Mendeleev made an early periodic table. In the modern periodic ...
For example hydrogen has the atomic number of one, helium two, lithium three etc. The first energy level (the one nearest the nucleus) can hold a maximum of 2 electrons with the others being able ...
Its two sources of fuel, hydrogen and lithium, are widely available in many parts of the Earth ... Fission splits a heavy element (with a high atomic mass number) into fragments; while fusion joins ...