Vanadium is a metal in group VB of the periodic table with atomic number 23, an atomic weight of 50.94, and a density of 6.1 Mg/m 3. It has a melting temperature of 1900 C. The electronic ...

The atomic number of a sodium atom is 11 and its mass number is 23. Calculate the number of protons, neutrons and electrons it contains.

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

It arranges all natural and synthetic elements by their atomic number , ranging from 1 to 118, grouping them by elements that look or behave similarly, such as metals or gases, while also giving each ...

It is the principle strengthening element in carbon steels and low-alloy steels. Atomic number 6, atomic weight 12.01115. Manganese (Mn): Manganese is a brittle, metallic element that exists in ...

There are 118 elements in the periodic table, each with a unique symbol and atomic number. Symbol: A one or two-letter ...