Videoatomic number 73

The term atomic number 73 serves as the precise scientific identifier for the chemical element tantalum. This lesson explores its identity as a dense, grey transition metal characterized by 73 protons in its nucleus and an incredible resistance to heat and corrosion. We will examine its placement on the periodic table, its extraction from tantalite ore, and its vital roles in materials science and medical technology. Discover why this refractory metal is essential for modern electronics and high-performance equipment by watching this comprehensive lesson.

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atomic number 73
A scientist points to the atomic number 73 on a large periodic table poster.