atomic number 74
ریشه و کاربرد
ریشه
From the Latin word 'atomus' meaning 'indivisible' and the English word 'number'.
مثال
- The atomic number 74 corresponds to the element tungsten.
- Tungsten has an atomic number of 74.
- The atomic number 74 indicates the number of protons in a tungsten atom.
تعریف انگلیسی
noun
- a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite “Substance Holonyms: scheelite, wolframite, iron manganese tungsten”