atomic number 97
ریشه و کاربرد
ریشه
From the Latin word 'atomus' meaning 'indivisible' and the English word 'number'.
مثال
- The atomic number 97 corresponds to the element berkelium.
- Berkelium has an atomic number of 97.
- The atomic number 97 indicates the number of protons in a berkelium atom.
تعریف انگلیسی
noun
- a radioactive transuranic element; discovered by bombarding americium with helium