atomic number 73
ریشه و کاربرد
ریشه
From the Latin word 'atomus' meaning 'indivisible' and the English word 'number'.
مثال
- The atomic number 73 corresponds to the element tantalum.
- Tantalum has an atomic number of 73.
- The atomic number 73 indicates the number of protons in a tantalum atom.
تعریف انگلیسی
noun
- a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite “Substance Holonyms: fergusonite, niobite, columbite, tantalite”